Nature reserves in California
Land set aside and kept that way — refuges, game lands and wilderness, each held by somebody who says so on the record.
Private beta · Free to join
Build a drive around nature reserves in California.
Byway plans around your taste, verified places, real weather and opening hours — then opens every leg in Google Maps with one tap.
- Bucks Lake Wilderness
- Jack and Laura Dangermond Preserve
- Blue Oak Ranch Reserve
- Máyyan 'Ooyákma – Coyote Ridge Open Space Preserve
- Monte Bello Open Space Preserve
- Madrona Marsh Nature Preserve
- Jensen Ranch Historical Park
- LAX El Segundo Dunes Preserve
- Los Osos Oaks State Natural Reserve
- Fitzgerald Marine Reserve
- Robert J. Bernard Biological Field Station
- Little River State Beach
- Pulgas Ridge Open Space Preserve
- Trinidad State Beach
- Tijuana River National Estuarine Research Reserve
- Fort Funston
- Lake Sonoma
- Azalea State Natural Reserve
- Jasper Ridge Biological Preserve
- Sierra Vista Open Space Preserve
- Coyote Hills Regional Park
- San Joaquin Experimental Range
- Montgomery Woods State Natural Reserve
- Aramburu Island
- Nelder Grove Historical Area
- Phleger Estate
- Nike Missile Launch Site LA-88 (Closed)
- Auburn State Recreation Area
- Auburn State Recreation Area
- Hidden Villa
- Cardiff State Beach
- Point Isabel Regional Shoreline
- Zmudowski State Beach
- Kern National Wildlife Refuge
- Sullivan Canyon Park
- Coldwater Canyon Park
- Carmel River Bird Sanctuary
- Challenger Park
- Peters Canyon Regional Park
- Ramirez Canyon Park
- Ballona Wetlands Ecological Reserve
- Bishop Ranch Regional Open Space Preserve
- Wunderlich County Park
- Goleta Slough Ecological Reserve
- Kruse Rhododendron State Natural Reserve
- California Citrus State Historic Park
- Rustic Canyon Park
- Mount Burdell Open Space Preserve
- Rancho San Antonio Open Space Preserve
- Pescadero Creek County Park
- Rivas Canyon Park
- Forrestal Reserve
- Carmel Pinnacles State Marine Reserve
- Tapia Park
- Coal Oil Point Reserve
- Greenwood State Beach
- Moss Landing State Beach
- Rose Canyon Open Space
- Encino Reservoir
- Del Sol Vernal Pool Preserve
- Butte Valley Wildflower Sanctuary
- Theodore J. Hoover Natural Preserve
- Ramona Grasslands Preserve
- Pelanconi Park
- Coyote Valley Open Space Preserve
- Dry Creek Pioneer Regional Park
- George Wolfberg Park at Potrero Canyon
- Big Break Regional Shoreline
- Russian Wilderness
- Lodato Open Space Preserve
- George F Canyon Nature Preserve
- Pacheco State Park
- El Escorpion Park
- Dinwiddie Preserve
- Yolo Bypass Wildlife Area
- Burton Creek State Park
- Blue Sky Ecological Reserve
- Hendy Woods State Park
- Chumash Park
- Landels-Hill Big Creek Nature Reserve
- Los Jilgueros Preserve
- Vicente Bluffs Reserve
- Abalone Cove Reserve
- Torrey Pines State Natural Reserve
- Bell Canyon Park
- Malibu Bluffs Park
- Worcester Park
- Armstrong Redwoods State Natural Reserve
- Gardena Willows Wetland Preserve
- Manresa State Beach
- Agua Caliente County Park
- Bailey Canyon Wilderness Park
- Mountain Park
- Silverwood Lake State Recreation Area
- Marjorie Saunders Park
- San Joaquin Marsh Reserve
- Martin Griffin Preserve
- Will Rogers State Historic Park
- Edgewood Park and Nature Preserve
- Laurel Canyon Park
- Redwood Grove Nature PreserveBuilt 1974
- Northern Wildlife Preserve
- Ulistac Natural Area
- Rocky Oaks
- Boyd Memorial Park
- Sycamore Canyon Park
- The California Sea Otter State Game Refuge
- Santa Rosa Plateau Ecological Reserve
- Uvas Canyon County Park
- North Table Mountain Ecological Reserve
- Pixley National Wildlife Refuge
- Turtle Bay Bird Sanctuary
- Red Cliffs Natural Preserve
- LA City Open Space
- Big Sandy State Wildlife Management Area
- Springtown Wetlands Preserve
- Del Mar Mesa Preserve
- NPS Land
- Ridgeview Open Space
- MRCA Open Space
- Cerro San Luis Natural Reserve
- Hawthorne Canyon Open Space Preserve
- Blixseth Mountain Park
- Red Rock Canyon Park
- MRCA Open Space
- Land Bank
- Southridge Village Open Space Reserve
- MRCA Open Space
- NPS Land
- Sage Ranch Park
- Rancho Simi RPD Open Space
- Guadalupe-Nipomo Dunes National Wildlife Refuge
- Merced County Preserve
- BLM Open Space
- Parma Open Space
- MRCA Open Space
- MRCA Open Space
- Maurice Thorner Memorial Open Space Preserve
- La Honda Creek Open Space Preserve
- Memorial Ridge Open Space Preserve
- Tarplant Hill
- Olympic Blvd. Staging Area
- Dos Vientos Open Space
- West Waddell Creek State Wilderness
- Humboldt Coastal Nature Center
- Carr Ranch PreserveBuilt 2016
- Millard Canyon Open Space
- BLM Open Space
- Harvey Bear Ranch Entrance
- Carl O Gerhardy Wildlife Sanctuary
- Johnson Canyon
- Henry Ridge Open Space
- Coppins Meadow
- MRCA Open Space
- Bahia Wetlands
- Newt Habitat
- SMMC Open Space
- BLM Open Space
- Lower Cottonwood Creek Wildlife Area
- Fremont Valley Ecological Reserve
- Rush Creek Open Space Preserve
- Green Cove Seal Rookery
- Painted Rock
- The Big Brush
- Oak Forest Canyon Natural Area
- Marble Mountains Wildlife Area
- Wesley Reserve
- Coachella Valley National Wildlife Refuge
- Dry Canyon Creek Park
- Mojave Desert Land Trust
- LA City Open Space
- Las Virgenes MWD Open Space
- Dublin Hills Regional Park
- Sorich Ranch Park Open Space Preserve
- White Hill Open Space Preserve
- Stevens Canyon Ranch
- NPS Land
- Oak Canyon Nature Center
- Whiting Ranch Wilderness Park
- MRCA Open Space
- Bobelaine Audobon Sanctuary
- BLM Open Space
- BLM Open Space
- Hartzell Park
- LA City Open Space
- Sycamore Grove
- MRCA Open Space
- Camp 8 (NPS land)
- Sentinel Nature Preserve (WAN)
- MRCA Open Space
- Wilderness Conservation Foundation
- Delta Meadows
- Monte Rio Redwoods Regional Park and Open Space Preserve
- Hilton Open Space
- MRCA Open Space
- MRCA Open Space
- Tern Nesting
- Wildwood Canyon Park
- MCRA
- Johnson Ranch Open Space
- Mission Canyon Open Space
- Coyote Creek Parkway
- Woodlands Special Treatment Area
- Placerita Canyon State Park
- Colusa Bypass Wildlife Area
- West Hills Farm
- Crocker Lake Open Space
- Kaseberg Nature Preserve
- Red Hill Open Space Preserve - Leased
- Indian Palms
- NPS Land
- LA City Open Space
- La Selva Open Space
- Owls Nest Open Space
- Caspar Headlands State Beach
- Bull Creek State Wilderness
- New Chicago Marsh
- Open space
- Lake Perris State Recreation Area
- Deukmejian Wilderness Park
- Robert E. Ward Nature Preserve
- Pedro Point Headlands
- San Rafael Open Space
- Liberty Canyon Open Space
- Salt Point State Park
- Hidden Divide Natural Preserve
- MRCA Open Space
- Mojave River Forks Regional Park
- Poppy Nature Area
- MRCA Open Space
- Coldwater Canyon Open Space
- Sky Oaks Reserve
- Hanson Felton Quarry Preserve — West Perimeter Set-Aside Area
- Rush Ranch
- North Etiwanda Preserve
- Deer Canyon Park Preserve
- Knoll Open Space
- Summit Valley Edmund D. Edelman Park
- Labisco Hill Open Space
- BLM Open Space
- Prime Desert Woodland Preserve
- Meins Landing
- NPS Land
- MRCA Open Space
- MRCA Open Space
- Almond Ranch
- Andrews Meadows
- Grizzly Island Wildlife Area- Garibaldi Unit
- BLM Open Space
- Towle Conservation Easement
- MRCA Open Space
- MRCA Open Space
- Grizzly Island Wildlife Area- Grizzly Island Unit
- Malaga Reserve
- LA County Fire Open Space
- Land Bank
- Cottonwood Court Open Space
- MRCA Open Space
- MRCA Open Space
- Dow Wetlands Preserve
- MRCA Open Space
- Whitewater Preserve
- San Timoteo Nature Sanctuary
- MRCA Open Space
- MRCA Open Space
- LADWP Open Space
- Indian Palms
- La Jolla Valley Natural Preserve
- Clover Creek Preserve
- Martin Luther King Jr. Regional Shoreline
- Bucknam Tract Conservation Easement
- MRCA Open Space
- Hahamongna Watershed Natural Park
- Panoche Hills
- LA County Open Space
- NPS Land
- Aztec Woods
- Lake Ming County Park
- Shell Ridge Open Space
- Sylvan Meadows Multi-Use Area
- Santa Rosa Creek Natural Preserve
- Bryan Osborne Nature Center
- Sawmill Pebble Plain
- MRCA Open Space
- The Cedars
- LA County Open Space
- MRCA Open Space
- MRCA Open Space
- San Francisco State Fish and Game Refuge
- North Richmond Wetlands
- Mountains Restoration Trust Land
- Mulholland Open Space Preserve
- South Richmond Shoreline
- Shasta Valley Wildlife Area
- Fran Pavley Meadow
- Willson Ranch
- Uvas South Reserve
- MRCA Open Space
- SMMC Open Space
- Dales Lake Ecological Reserve
- Mike Thompson Wildlife Area
- Wild Walnut Park
- Santa Ana River Wildlife Area
- Doolan Canyon
- LA County Open Space
- MRCA Open Space
- La Selva Open Space
- Coyote Creek Parkway
- Dutch Flat Wildlife Area
- MRCA Open Space
- Hill Slough Wildlife Area
- Murrelet State Wilderness
- North Ranch Open Space
- Polygon Open Space
- LA City Open Space
- Rodman Arboretum
- Walteria Lake
- Morgan Territory Ranch
- LA City Open Space
- Mountains Restoration Trust Land
- Indian Palms
- Sierra Madre Historical Wilderness Area
- Lower Sherman Island Wildlife Area
- Rock Hill Unit
- MRCA Open Space
- Sepulveda Pass Open Space
- Mt. SAC Wildlife Sanctuary
- Bodfish Preserve
- MRCA Open Space
- MRCA Open Space
- MRCA Open Space
- Charmlee Wilderness Park
- Snowy Plover Roost
- Mountains Restoration Trust Land
- Fryer Trust Bayland
- MRCA Open Space
- Mount Vernon Park
- Rainbow Basin/Owl Canyon Area of Critical Environmental Concern
- Oak Crest Open Space
- Rancho San Vicente Entrance
- Land Bank
- Casa Del Caballero
- BLM Open Space
- Day Use Area
- MRCA Open Space
- Camino Corto Open Space
- Proctor Valley Natural Resource Area
- MRCA Open Space
- Eaton Canyon Natural Area and Nature Center
- MRCA Open Space
- Horse Hill Open Space Preserve
- NPS Land
- MRCA Open Space
- MRCA Open Space
- Pillar Point Bluff
- Rasmussen Open Space
- NPS Land
- Ohlone Tiger Beetle Management Area
- Cold Creek Nature Preserve
- Bird Sanctuary
- Rancho Cañada del Oro Open Space Preserve Entrance
- MRCA Open Space
- Santa Clara Valley Open Space Authority (Closed)
- Old Greenwood
- Whitewater Cove Riparian Corridor
- Coyote Creek Preserve
- MRCA Open Space
- Patterson Point Preserve
- North Fork Wilderness
- Big Tujunga Wash Open Space
- Lake Hollywood Open Space
- Elyria Canyon Park
- Marsh Creek 1
- McNee Ranch State Park
- Minniear Day Use Area
- Linden H. Chandler PreserveBuilt 1994
- SMMC Open Space
- Caspar Headlands State Natural Reserve
- Sweet Springs Nature Preserve
- Finnon Recreation Area
- Mojave Desert Land Trust
- MRCA Open Space
- MRCA Open Space
- Dry Creek Preserve
- BLM Open Space
- Mulholland Heights HOA Open Space
- Fillmore Nature Park
- MRCA Open Space
- La Tuna Canyon Park
- MRCA Open Space
- MRCA Open Space
- Dutch Slough
- La Jolla Open Space
- MRCA Open Space
- LA County Open Space
- MRCA Open Space
- Laing-Brookfield Open Space
- San Benito Wilderness Study Area
- Santa Anita Habitat Mitigation Project
- LA City Open Space
- Randall Preserve
- Spencer Lake Open Space
- BLM Open Space
- Tiburon Ridge Open Space Preserve
- Otis R. Johnson Wilderness Park
- Jepson Prarie Preserve
- Indian Springs Open Space
- Palo Corona Regional Park
- Tulare Hill Ecological Preserve
- Mojave Desert Land Trust
- Carnadero Preserve
- Blue Heron Trails
- Bosque del Rio Hondo Natural Area
- Siesta Valley
- Wright Canyon
- Agua Amarga Reserve
- MRCA Open Space
- Voorhis Ecological Reserve
- Mojave Desert Land Trust
- LA City Open Space
- MRCA Open Space
- Ventura River Preserve
- Medea Creek Open Space
- MRCA Open Space
- MRCA Open Space
- Buck Gully Reserve
- Sisquoc Condor Sanctuary
- SMMC Open Space
- MRCA Open Space
- McKinleyville Community Forest
- MRCA Open Space
- Pushwalla Palms
- MRCA Open Space
- MRCA Open Space
- LA City Open Space
- Caspar Headlands State Reserve
- Fairfield Osborn Preserve
- Burton Homestead Preserve
- Lake Silveira Wetlands
- Lusardi Creek Preserve
- MRCA Open Space
- MRCA Open Space
- Mormon Island Wetlands Natural Preserve
- LA City Open Space
- Leo A. Carrillo and Edith Carrillo Memorial Park
- Hayfork Reservoir
- NPS Land
- Klamath River Fishing Access
- MRCA Open Space
- Lot 25
- Mojave Desert Land Trust
- LA City Open Space
- Kendall-Frost Mission Bay Marsh Reserve
- El Moro Elfin Forest Preserve
- Wistful Vista Open Space
- Chesbro Reservoir Boat Launch Entrance
- Lower Arroyo Park
- Joel McCrea Wildlife Refuge
- Inglenook Fen-Ten Mile Dunes Natural Preserve
- BLM Open Space
- Griswold Hills Day use area
- Hidden Creeks Open Space
- Fisher Creek Conservation Easement
- Anderson Boat Launch Entrance
- MRCA Open Space
- Malibu Springs (NPS)
- MRCA Open Space
- Rancho Cañada de los Osos Ecological Reserve
- Yreka Phlox Preserve
- Traylor Ranch Nature Reserve
- MRCA Open Space
- Hidden Palms
- Secret Canyon Open Space
- Washoe Meadows State Park
- McCarthy Blue Oak Ranch Preserve
- Honey Lake State Wildlife Area (Dakin Unit)
- MRCA Open Space
- Burns Piñon Ridge Reserve
- Manila Dunes Recreation Area
- San Diego River
- LA County Open Space
- Robie Park
- LADWP Open Space
- Puente Hills Preserve
- Mountains Restoration Trust Land
- Abalone Cove Ecological Reserve
- Rancho Simi RPD Open Space
- Valley View Preserve
- Basking Ridge Conservation Easement
- MRCA Open Space
- LA City Open Space
- MRCA Open Space
- NPS Land
- Linder Grove
- MRCA Open Space
- MRCA Open Space
- Dandelion Open Space
- MRCA Open Space
- John B. Dewitt Redwoods State Natural Reserve
- MRCA Open Space
- LA City Open Space
- MRCA Open Space
- Cascade Canyon Preserve
- SMMC Open Space
- Sycamore Grove
- Merced Vernal Pools and Grassland Reserve
- Tobin Clark Open Space
- LA City Open Space
- Los Angeles County Waterworks District No. 29 Open Space
- Filiorum Reserve
- Natomas Station Wildlife Area
- Kinneloa Irrigation District Open Space
- Hicks/Wood Entrance
- BLM Open Space
- Texas Canyon Open Space
- Jurupa Mountains Discovery Center
- Grizzly Island Wildlife Area- Joice Island Unit
- MRCA Open Space
- MRCA Open Space
- Upper Toyon Ridge Nature Preserve (WAN)
- MRCA Open Space
- Strawberry Hill Open Space
- Ocean Trails Reserve
- Miners Ravine Nature Reserve
- MRCA Open Space
- MRCA Open Space
- MRCA Open Space
- Sonny Bono Salton Sea NWR Unit 1
- Coyote Creek Parkway
- Moorhen Marsh
- Coyote Valley Open Space Preserve Entrance
- NPS Land
- Andrea Wilson Triangle
- MRCA Open Space
- Chateau Calabasas
- Del Mar Landing State Marine Reserve
- MRCA Open Space
- Roy's Redwoods Open Space Preserve
- Toyon Group Area Entrance
- Monrovia Open Space
- LA City Open Space
- MRCA Open Space
- Rubio Canyon
- Rancho Simi RPD Open Space
- Point Reyes National Seashore
- Oroville Wildlife Management Area
- Anderson Marsh Natural Preserve
- Julia Pfeiffer Burns State Park
- Digawututklh
- Butters Canyon
- Gopher Canyon (Native Plant Restoration Area)
- Mountains Restoration Trust Land
- MRCA Open Space
- MRCA Open Space
- BLM Open Space
- Land Bank
- MRCA Open Space
- Butte Valley Wildlife Area
- BLM Open Space
- LA County Open Space
- Fond Nature Preserve
- Longridge Park
- Oak Savannah Arboretum
- LA County Open Space
- Dixie Canyon Park
- La Cañada Irrigation District Open Space
- Gull Park
- North Richmond Shoreline
- MRCA Open Space
- Pescadero Marsh Natural Preserve
- Private Open Space Preserve
- Santa Margarita Island Open Space Preserve
- MRCA Open Space
- Marsh Creek 2
- Elliott Nature Preserve
- San Lorenzo Headwaters Natural Preserve
- Arena Rock Marine Natural Preserve
- Gray Davis Dye Creek Preserve
- Surprise Valley Wildlife Area
- MRCA Open Space
- Pilson Property
- Bahia Wildlife Habitat
- Laurel Canyon Preserve
- MRCA Open Space
- NPS Land
- Mangini Ranch Educational Preserve
- Riddell Preserve
- Black Wall
- Glider Hill Open Space
- MRCA Open Space
- Abrams Open Space
- Tom & Giselle Hennesy Nature Preserve
- SMMC Open Space
- Cache Creek Nature Preserve
- Grizzly Island Wildlife Area- Grey Goose Unit
- Adobe Falls Ecological Reserve
- Huddart County Park
- Delevan National Wildlife Refuge
- MRCA Open Space
- Black Swan Preserve
- MRCA Open Space
- LA County Open Space
- White Point Nature Preserve
- San Venetia Marsh Open Space Preserve
- China Hill Yreka Phlox Preserve
- Honey Lake State Wildlife Area
- Henderson Canyon Open Space
- Ojai Saddle Trails
- Casa Dorinda Oak Woodland
- Bracut Tidelands Public Access
- Quarry Park
- North Ranch Open Space
- MRCA Open Space
- Water Canyon Natural Preserve
- Martis Camp Conservation Easement
- Hope Nature Preserve
- Garaventa Wetlands Preserve
- Rip Van Winkle Open Space
- Deervale-Stone Canyon Park
- Calabasas Peak
- MRCA Open Space
- San Jacinto / Lake Perris Core Reserve
- Garland Ranch Regional Park
- Jack Dunster Marine Biological Reserve
- Castle Canyon
- Harvey Ranch Preserve
- Crystyl Ranch Open Space
- Grizzly Island Wildlife Area- West Family Unit
- MRCA Open Space
- BLM Open Space
- Whisky Snowmobile Area
- MRCA Open Space
- Monte Rio Redwoods Regional Park and Open Space Preserve
- Dos Vientos Open Space
- Marr Ranch Open Space
- Richardson Bay Audubon Sanctuary
- Big Dalton Canyon Wilderness Park
- MRCA Open Space
- Parkway Trust / Caglia
- Bohemia Ecological Preserve
- Blithedale Summit Open Space Preserve
- MRCA Open Space
- Trestles Wetlands Natural Preserve
- Dominican Nature Preserve
- SMMC Open Space
- Pole Mountain Preserve
- BLM Open Space
- Private Open Space Preserve
- MRCA Open Space
- Orinda Oaks Park
- Fireworks Hill Open Space
- MRCA Open Space
- MRCA Open Space
- Willoughby Preserve
- King Clone Ecological ReserveBuilt 1993
- MRCA Open Space
- Desert Tortoise Preserve
- Fireworks Hill Open Space
- Ojai Meadows Preserve
- Calaveras South Grove Natural Preserve
- MRCA Open Space
- Elizabethtown Meadows
- LA City Open Space
- Santa Clarita City Open Space
- Carl "A" Anderson Redwoods Natural Preserve
- Tule Elk Reserve State Park
- LaPoint Land Bank
- Colusa National Wildlife Refuge
- MRCA Open Space
- Puente Hills Preserve
- Cerro Villa Park
- Round Mountain Conservation Easement
- Woodpecker Wildlife Preserve / Geri Bergen Memorial Forest
- Brushy Peak Resource Protection Area
- Merced Vernal Pools and Grassland Reserve
- Sisson Meadow
- Byrne-Milliron Forest
- Coral Mountain Park
- Ishxenta State Park
- Carbon Canyon Open Space
- MRCA Open Space
- MRCA Open Space
- Grizzly Island Wildlife Area- Golden Hills Unit
- Kinsman Flat Wildlife Area
- MRCA Open Space
- Carnadero Preserve
- Coastal Prairie Conservation Easement Area
- Louis Robidoux Parkland & Pecan Grove
- Viera-North Peak
- MRCA Open Space
- MRCA Open Space
- LA City Open Space
- BLM Open Space
- John L. Carter Memorial Park
- Richardson Bay Audubon Center & Sanctuary
- Tulare Hill Conservation Area
- MRCA Open Space
- Dal Molin-Runcie Nature Preserve
- LA City Open Space
- Mountains Restoration Trust Land
- MRCA Open Space
- MRCA Open Space
- Indian Palms
- Emerson Oaks Reserve
- Medea Creek Open Space
- Headwaters Corner
- MRCA Open Space
- Arrowhead Ridge
- Grizzly Island Wildlife Area- Crescent Unit
- Land Bank
- French Ranch Open Space Preserve
- Arcadia Wilderness Park
- Oak Hill Lane
- MRCA Open Space
- NPS Land
- James San Jacinto Mountains Reserve
- San Jacinto / Lake Perris Core Reserve
- Beverly Glen Park
- MRCA Open Space
- LA County Open Space
- Mead Ranch Reserve
- Wood Ranch Open Space
- Robert Yoshio Nagata Park
- Pismo Preserve
- Halperin Open Space Preserve
- Cypress Ridge Open Space
- Ma-le'l Dunes South
- Grove of the Old Trees
- McReynolds Wildlife Sanctuary
- MRCA Open Space
- La Selva Open Space
- Snowy Plover Enclosure
- Harper Dry Lake
- The Nature Conservancy Land
- Heath Property
- Holser Canyon Open Space
- Hidden Valley Wildlife Area
- Curtis
- Rancho Simi RPD Open Space
- Coyote Creek Parkway
- BLM Open Space
- West Marshall Field Natural Reserve
- Homer Ranch Preserve
- Cahuilla Hills Park
- Dry Creek
- MRCA Open Space
- Cow Mountain Management Area
- Old Hilary's Botanical Preserve
- Carpinteria Bluffs Nature Preserve
- Dawson-Los Monos Canyon Reserve
- Lake Calavera Preserve
- NPS Land
- Oakshire Canyon Open Space
- Mountains Restoration Trust Land
- Shiloh Ranch Regional Park
- Greyhound Rock Fishing Access
- Lokern Ecological Reserve
- SMMC Open Space
- Lang Ranch Open Space
- Indiam Palms
- Coal Canyon Ecological Preserve
- Antone Meadows Natural Preserve
- Mitteldorf Preserve
- Mount Diablo Gateway
- Mare Island Shoreline Heritage Preserve
- Coastal Prairie Conservation Easement Area
- Rocketdyne Santa Susana Field Lab
- LA City Open Space
- Volta Wildlife Area
- LA County Open Space
- Woodlands Special Treatment Area
- The Triangle
- MRCA Open Space
- MRCA Open Space
- MRCA Open Space
- Novato Lands 005
- LaPoint Land Bank
- MRCA Open Space
- Upper Uvas Creek Open Space Preserve
- Land Bank
- BLM Open Space
- BLM Open Space
- Red Hill Open Space Preserve
- Lake of the Woods State Wildlife Area
- Ohlone Regional Wilderness Area
- Hopland Research & Extension Center
- MRCA Open Space
- Schwartz Property
- East Slope Natural Reserve
- Decker Island Wildlife Area
- LA City Open Space
- Pescadero Ranch Reserve
- Bluff Lake Reserve
- Humboldt Bay National Wildlife Refuge
- Pajaro River Mouth Natural Preserve
- Lake of the Woods State Wildlife Area
- Upper Arroyo Seco
- MRCA Open Space
- Scripps Coastal Reserve
- Highfield Greenbelt
- Del Mar Mesa Ecological Reserve
- LA City Open Space
- Hennesy Property
- LA City Open Space
- Land Bank
- LA City Open Space
- North Ranch Open Space
- Fryman Canyon Park
- Newhall Pass - Plourde
- Gooseflats Wildlife Area
- LA City Open Space
- Chesbro Reservoir County Park
- San Emigdio Plantation
- McAbee Entry
- Pine Creek Wildlife Area
- Puente Hills Preserve
- The Nature Conservancy Land
- Monte Rio Redwoods Regional Park and Open Space Preserve
- Upper Stevens Creek County Park
- Carmel Mountain Preserve
- LA City Open Space
- Big Lagoon Forest, East Natural Preserve
- Morro Bay National Estuary Program
- Hillpark Open Space
- MRCA Open Space
- Coyote Creek Parkway
- Indian Joe Springs Ecological Reserve
- BLM Open Space
- Lower Yuba River
- North Ranch Open Space
- Novato Lands 005
- Sepulveda Pass Open Space
- LA City Open Space
- SMMC Open Space
- Fossil Ridge Park
- MRCA Open Space
- LA County Open Space
- MRCA Open Space
- Puente Hills Preserve
- BLM Open Space
- Volta State Wildlife Area
- North Ranch Open Space
- Dominguez Nature Preserve
- Double Butte County Park
- Richardson Grove State Park
- Galvin Ranch
- Clam Beach County Park
- Deer Creek Preserve
- Rideau
- Jenner Headlands Preserve
- Ron Bishop & Judge Anderson Park
- Santa Cruz Sandhills Community
- Brand Park
- Cove Oasis
- MRCA Open Space
- Deer Creek Canyon Area
- Dos Vientos Open Space
- LA City Open Space
- MRCA Open Space
- MRCA Open Space
- Alpine Butte Wildlife Sanctuary
- LA City Open Space
- Bachman Open Space
- West End San Rafael Open Space
- MRCA Open Space
- LA City Open Space
- Box Springs Mountain Open Space (City)
- BLM Open Space
- Desert Tortoise Preserve
- Acalanes Ridge
- MRCA Open Space
- Desert Tortoise Habitat Area
- Red Hills
- SMMC Open Space
- Airport Flats
- Hidden Valley Nature Center
- Heintz Open Space
- Coal Creek Open Space Preserve (closed area)
- Placer County Open Space
- Peytonia Slough Ecological Reserve
- Ballona Wetlands Ecological Reserve
- San Pedro Ave Entrance
- Asilomar Dunes Natural Preserve
- LA County Open Space
- MRCA Open Space
- East Walker Ranch Open Space
- BLM Open Space
- Woodbridge Ecological Preserve - North Unit
- MRCA Open Space
- Dos Rios State Park
- Stevens Creek Shoreline Nature Study Area Open Space Preserve
- Beaconsfield Canyon
- Rattlesnake Canyon
- LA County Open Space
- Grizzly Island Wildlife Area- Island Slough Unit
- Chalk Hill Nature Reserve
- Big Rock Preserve
- Rancho Simi RPD Open Space
- Silver Creek Wildlife Area
- Tujunga Ponds Wildlife Sanctuary
- MRCA Open Space
- Little Uvas Open Space Preserve
- Marsh Creek 5
- Calabasas City Open Space
- Upper Arroyo Seco
- LA City Open Space
- MRCA Open Space
- Nueva/Macadamia Open Space
- Pushwalla Palms
- Arana Gulch
- Harmon Canyon Preserve
- Hidden Canyon Park
- Alto Bowl Open Space Preserve
- Vista del Norte Reserve
- SMMC Open Space
- MRCA Open Space
- MRCA Open Space
- Pacheco Marsh
- Waddle Ranch Preserve
- MRCA Open Space
- MRCA Open Space
- Live Oak Entrance
- Anderson Ranch
- Henrietta Basin
- MRCA Open Space
- UC James San Jacinto Montain Reserve
- La Brea Green Belt
- Puente Hills Preserve
- Black Diamond Mines Regional Preserve - Land Bank
- Hacienda Entrance
- LA City Open Space
- Old Conejo Open Space
- MRCA Open Space
- Claremont Canyon
- Rowen Tree Open Space
- Lower Moore Creek Natural Reserve
- MRCA Open Space
- Rancho Simi RPD Open Space
- MRCA Open Space
- Contra Costa Goldfields
- BLM Open Space
- Los Flores Ranch Park
- Ridgeline Preserve
- MRCA Open Space
- Pajaro River Ag Preserve (South)
- San Lorenzo River Open Space
- Udell Gorge Natural Preserve
- MRCA Open Space
- Wilder Beach Natural Preserve
- Ascot Hills Park
- Monrovia Canyon Park
- Rodeo Grounds
- Least Tern Site
- MRCA Open Space
- MRCA Open Space
- Camino Alto Open Space Preserve
- Summit House Open Space
- BLM Open Space
- Hungry Valley Oak Woodland Natural Preserve
- Solstice Canyon
- Mojave Desert Land Trust
- MRCA Open Space
- Jackass Ridge Conservation Easement
- Fritz & Alma Meier Natural Use Area
- Wintercreek
- Haines Canyon Park
- Zuniga Ridge Open Space
- Goodan Ranch Sycamore Canyon County Preserve
- MRCA Open Space
- Gerstle Cove State Marine Reserve
- NPS Land
- Desert Tortoise Natural Area
- Big Morongo Canyon Preserve
- Teledyne
- Idyllwild Nature Center
- Miramar Mounds National Natural Landmark
- Mountains Restoration Trust Land
- MRCA Open Space
- Waterdog Lake Open Space
- Glen Deven Ranch
- Burton Creek Natural Preserve
- Potrero Reserve
- Ring Mountain Open Space Preserve
- MRCA Open Space
- O'Neill Forebay Wildlife Area
- MRCA Open Space
- Land Bank
- BLM Open Space
- Woodridge Open Space
- St. Joseph's Hill Open Space Preserve
- Rancho Simi RPD Open Space
- Steele/Burnand Anza-Borrego Desert Research Center
- Taylor Mountain Regional Park and Open Space Preserve
- Aspen Glen Reserve
- Caspar Headlands State Natural Reserve
- Seven Springs Natural Reserve
- Marsh Creek 6
- Delhi Sand Fly Reserve
- MRCA Open Space
- Keilhofer
- Stuart Creek Run
- Chemehuevi Indian Tribe Designated Recreational Area
- Herngt Aki Reserve
- Mad River Bluffs
- Newhall Pass Trailhead
- C. Fredrick Faudé Open Space Park
- Teledyne/Mira Loma
- Rocky Ledge
- Mountains Restoration Trust Land
- MRCA Open Space
- Southridge Village Open Space Reserve
- MRCA Open Space
- West End San Rafael Open Space
- Southshore Hills Open Space
- LADWP Open Space
- TSRA Marine Preserve
- MRCA Open Space
- Mountains Restoration Trust Land
- SMMC Open Space
- Sugarloaf Open Space
- Honey Lake State Wildlife Area (Flemming Unit)
- Escalona Gulch
- Peter Strauss Ranch
- Silver Strand Natural Preserve
- Sue-meg State Park
- Soda Springs Reserve
- Lema Ranch
- San Onofre State Beach
- Land Bank
- Toad Hollow
- Briar Summit Open Space Preserve
- BLM Open Space
- Rancho Simi RPD Open Space
- Rancho Ventura
- LA City Open Space
- Land Bank
- Pushwalla Palms
- Indian Palms
- Big Table Mountain Ecological Reserve
- Van Damme Pygmy Forest Natural Preserve
- MRCA Open Space
- Piper Lane Presere
- Four Seasons Preserve
- MRCA Open Space
- BLM Open Space
- Mojave Desert Land Trust
- Meadowbrook Ecological Reserve
- LA City Open Space
- Triunfo Canyon Open Space
- Merced Vernal Pools and Grassland Reserve
- Henninger Flats
- Seep Zone Natural Reserve
- MRCA Open Space
- Johnson Meadow
- Stough Landfill Park
- Bryan Osborne Nature Center
- Lang Ranch - Montgomery Ranch Open Space
- Puente Hills Preserve
- BLM Open Space
- Isacson
- Laing-Brookfield Open Space
- MRCA Open Space
- Young Canyon
- Whitecap ForeDunes Protected Area
- Burrowing Owl Preserve
- Deer Creek Open Space
- El Corte de Madera Creek Open Space Preserve (closed area)
- MRCA Open Space
- Merced Grasslands
- Devil's Garden Preserve
- Mountains Restoration Trust Land
- Baltimore Canyon Open Space Preserve
- Hood Mountain - McCormick Ranch Addition
- MRCA Open Space
- Devil's Garden
- Vasco Hills
- Mountains Restoration Trust Land
- Marsh Creek 4
- LA City Open Space
- Marine Stadium Reserve
- MRCA Open Space
- Barnett Ranch County Preserve
- Haskell Canyon Open Space
- LA City Open Space
- Getty View Park
- Little Black Mountain Preserve
- MRCA Open Space
- Big Lagoon Forest, South Natural Preserve
- Westlake Vista Open Space
- MRCA Open Space
- MRCA Open Space
- BLM Open Space
- Bull Creek State Wilderness
- Fish Traps Archeological Site
- Chah-GAH-Cho
- MRCA Open Space
- Pigeon Point County Park
- Anderson Island Natural Preserve
- San Felipe Ranch's The Nature Conservatory's Conservation Easement
- MRCA Open Space
- MRCA Open Space
- Spencer Lake Open Space
- Christopher Hill County Preserve
- North Campus Open Space
- Elliott Chaparral Reserve
- Big Bend
- MRCA Open Space
- The Nature Preserve
- Zev Yaroslavsky Las Virgenes Highlands Park
- Rancho Simi RPD Open Space
- The Cobb Estate
- Stevenson Family Open Space
- Ladyface Agoura Open Space
- MRCA Open Space
- BLM Open Space
- Atherton Avenue Bayland
- San Simeon Natural Preserve
- Arroyo Seco Canyon
- MRCA Open Space
- Big Lagoon Forest, West Natural Preserve
- Claremont Hills Wilderness Park
- Galindo Creek Field Station
- Puente Hills Preserve
- NPS Land
- Mojave Desert Land Trust
- Woodbridge Ecological Preserve - North Unit
- Caspar Headlands State Natural Reserve
- Petaluma Marsh Expansion Site
- Tomales Bay Ecological Reserve
- Mountains Restoration Trust Land
- Old Ranch Open Space
- Theodore Payne Wildlife Sanctuary
- Bald Mountain Recreation Area
- Mojave Desert Land Trust
- Woodbridge Ecological Preserve - South Unit
- Juan Prado Mesa Preserve
- TSRA Marine Preserve
- Valley Hi Oak Park
- Modoc Preserve
- Elkhorn Slough National Estuarine Research Reserve
- SMMC Open Space
- Kinneloa Irrigation District Open Space
- Roseville Reserve
- Walnut Open Space
- MRCA Open Space
- Brown Ranch Mitigation Lands
- Northstar Vail Conservation Easement
- MRCA Open Space
- Three Sisters Reserve
- Southampton Bay Wetland Natural Preserve
- Arroyo Sequit
- Fred Wolff Bear Creek Nature Preserve
- Portuguese Bend Reserve
- Ecological Study Area
- Upper Hawthorne Canyon Open Space Preserve
- MRCA Open Space
- Novato Lands 005
- Kaslow Natural Preserve
- Santa Clara River Preserve
- BLM Open Space
- Ward Creek
- Mojave Desert Land Trust
- Dougherty Hills Open Space
- MRCA Open Space
- Al Johnson Wildlife Area
- Dos Reis County Park
- Mountains Restoration Trust Land
- LA City Open Space
- Adam Ryan Wildlife Preserve
- MRCA Open Space
- Camp Cady Wildlife Area
- MRCA Open Space
- La Selva Open Space
- Old Chatsworth Reservoir
- Carlsbad Highlands Ecological Reserve
- San Rafael Open Space
- Green Ranch
- Mendoza Ranch Entrance
- Top of Topanga Overlook
- BLM Open Space
- Russell Research Station
- Reservoir Canyon Natural Reserve
- LA City Open Space
- LA County Open Space
- MRCA Open Space
- MRCA Open Space
- MRCA Open Space
- Alamos Canyon Open Space
- CSLC Open Space
- LA City Open Space
- MRCA Open Space
- Fairfax Open Space Preserve
- Arcata Community Forest - Sunny Brae Tract
- MRCA Open Space
- East Regional Pond Wildlife Area
- Kaseberg Nature Preserve
- LA City Open Space
- Mojave Desert Land Trust
- MRCA Open Space
- El Dorado Riparian Corridor
- MRCA Open Space
- Upper Moore Creek Natural Reserve
- Caspar Headlands State Natural Reserve
- Stevens Creek County Park
- Deer Ridge Open Space
- Huckleberry Hill Nature Preserve
- North Peak Ranch
- Baird Ranch Reserve
- MRCA Open Space
- Auburn Ravine Nature Preserve
- MRCA Open Space
- LA City Open Space
- LA City Open Space
- Alkali Meadow
- Crab Cove Marine Reserve
- Dollar Property
- Gary Giacomini Open Space Preserve
- Gateway
- Mahany Nature Reserve
- Lick Observatory
- MRCA Open Space
- Malibu Nature Preserve
- Mockingbird Hill Entrance
- William R. Mason Regional Park (wilderness area)
- MRCA Open Space
- LA County Open Space
- Native Plant Preserve (Kite Hill)
- MRCA Open Space
- Rancho Simi RPD Open Space
- MRCA Open Space
- MRCA Open Space
- Dictionary Hill County Preserve
- Mountains Restoration Trust Land
- San Luis Reservoir Wildlife Area
- Quail Hollow Quarry Conservation Areas
- Mountains Restoration Trust Land
- NPS Land
- nature corridor
- Mailliard Redwoods State Natural Reserve
- NPS Land
- Calabasas Open Space
- BLM Open Space
- Puente Hills Preserve
- Winery Canyon Open Space
- Cartago Wildlife Area
- Upper Arroyo Seco
- MRCA Open Space
- Vasona Lake Eucalyptus Grove
- MRCA Open Space
- San Marcos Foothills Preserve
- Wildwood Canyon Open Space
- Pushwalla Palms
- SMMC Open Space
- Highland Springs
- Tapia Canyon Open Space
- MRCA Open Space
- G. George and Kathleen S. Fox Hiking Park
- MRCA Open Space
- Westlake Village SMMC Open Space
- MRCA Open Space
- Casa Loma Entrance
- SMMC Open Space
- MRCA Open Space
- MRCA Open Space
- Upper Cottonwood Creek Wildlife Area
- North Ranch Open Space
- Arroyo Park
- Gird Valley Preserve
- LA City Open Space
- Gould Canyon / Lukens Connection
- Camp Cady Wildlife Area
- MRCA Open Space
- Marsh Creek 7
- Sunset Wetland Natural Preserve
- NPS Land
- BLM Open Space
- Santa Clarita City Open Space
- National Recreation Area
- Olympic Meadow Preserve
- MRCA Open Space
- BLM Open Space
- Grinnell Natural Area
- Soquel Lions Park
- Hill Rd Entrance
- MRCA Open Space
- LA City Open Space
- Coyote Lake Entrance
- Gould Canyon Trail
- Chaparral Hill
- Cave Gulch/Wilder Natural Reserve
- Diamond X Ranch
- LA City Open Space
- Truckee River Wildlife Area
- SFB Morse Botanical Reserve
- Quail Run Open Space
- Spineflower Habitat Protection Zone
- Mandeville Canyon Park
- Santa Rosa Openspace
- Rancho Cañada
- Desert View Conservation Area
- Secret Valley