Grotto Spring
Grotto Spring is a spring in California, at a recorded elevation of 1,299 m. Santiago Peak stands 1,734 m to the southeast, 1.2 miles off. The nearest named place is Modjeska Peak, a peak 0.4 miles away.
What the record says
- Elevation
- 1299 m
How to reach it
Named places within 25 miles
- Modjeska Peak: 0.4 mi
- Santiago Peak: 1.2 mi
- Bald Peak: 2.6 mi
- Vulture Crags: 3.3 mi
- Bedford Peak: 3.6 mi
- Modjeska Canyon Nature Preserve: 3.3 mi
- Tucker Wildlife Sanctuary: 3.9 mi
- Maze: 4.2 mi
- Modjeska Community Park: 4.3 mi
- Montecito Ranch Park: 4.7 mi
- Trabuco and Holy Jim cabin Owners' Improvement Association: 3.6 mi
- Site of the Third Serrano Adobe: 5.5 mi
- Tanning Vats: 5.5 mi
- Serrano Tanning Vats: 5.5 mi
- Corona Heritage Park: 8.7 mi
- Trabuco Fliers Club: 3.9 mi
- Tom's Mining Company: 5.1 mi
- Shooting Gallery: 5.1 mi
- Tractor Driving: 5.2 mi
- Train Ride: 5.2 mi
- Botanical Wedding Garden: 8.7 mi
- Butterfly Garden: 10.5 mi
- Our Lady of Guadalupe Prayer Garden: 10.9 mi
- Garden Center 1: 12.5 mi
- Native Plant Garden: 13.3 mi
- Peace Obelisk: 9.9 mi
- Folded Circle Three Rings: 12.2 mi
- 200 Years of Freedom 1776-1976: 12.5 mi
- Orc Statue: 13.1 mi
- Sally Ride: 13.3 mi
- Corona Model Railroad Society: 8.7 mi
- Corona Heritage Museum: 8.7 mi
- Museum Barn Exhibit: 8.7 mi
- Pretend City Children's Museum: 12.1 mi
- World Museum of Natural History: 13.6 mi
- Whiting Ranch Wilderness Park: 6.1 mi
- Coal Canyon Ecological Preserve: 12.2 mi
- Peters Canyon Regional Park: 12.8 mi
- Oak Canyon Nature Center: 14.2 mi
- California Citrus State Historic Park: 14.3 mi
- Jamison Spring: 0.8 mi
- Maple Spring: 0.8 mi
- Bigcone Spring: 1.3 mi
- Laurel Spring: 1.7 mi
- Bear Spring: 2.0 mi
- Arch Beach: 18.4 mi
- Group Campsite: 19.3 mi
- South Day Use Beach: 19.4 mi
- North Day Use Beach: 19.5 mi
- Poche Beach: 19.8 mi
- Goat Shed Point: 3.6 mi
- Vista Point: 4.9 mi
- Group Picnic #1: 5.6 mi
- Old Corral Picnic Area: 11.9 mi
- Coyote Corner Group Area: 12.2 mi
- Harding Canyon Falls: 2.0 mi
- Holly Jim Falls: 2.7 mi
- Black Star Canyon Falls: 8.0 mi
- Lion Canyon Falls: 8.8 mi
- Ortega Falls: 9.7 mi
- Norco Bluffs: 14.9 mi
- Norco Bluffs: 15.2 mi
- Norco Bluffs: 15.5 mi
- Norco Bluffs: 16.0 mi
- Coyote Bluff: 18.4 mi
- Rancho Temescal: 4.9 mi
- Terra Cotta: 10.2 mi
- Willard: 10.7 mi
- Pinacate: 18.5 mi
- La Placita: 23.7 mi
- Rayzilla Rest Area: 19.5 mi
- Rayzilla Viewpoint: 19.6 mi
- Three Arches: 19.2 mi
Summits around it
The highest named summits within 20.4 miles of Grotto Spring. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Santiago Peak | SE 124° | 1,734 m | 1.2 mi |
| Modjeska Peak | E 97° | 1,675 m | 0.4 mi |
| Trabuco Peak | ESE 106° | 1,401 m | 4.6 mi |
| Los Pinos Peak | SE 130° | 1,373 m | 6.0 mi |
| Horsethief Peak | ESE 113° | 1,315 m | 5.8 mi |
| Pleasants Peak | NNW 329° | 1,211 m | 6.1 mi |
| Bald Peak | NNE 21° | 1,197 m | 2.6 mi |
| Bedford Peak | NNW 335° | 1,161 m | 3.6 mi |
When to go
Light through the year
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 06:55 | 18:29 | 19:02 |
| June solstice | 05:41 | 19:28 | 20:05 |
| September equinox | 06:39 | 18:16 | 18:48 |
| December solstice | 06:52 | 16:08 | 16:46 |
Local time (America/Los_Angeles).
Climate normals
Months averaging 50–80 °F: year-round.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 59 | 59 | 61 | 64 | 67 | 71 | 75 | 76 | 75 | 71 | 64 | 58 |
| Precip in | 2.7 | 3.5 | 1.7 | 0.9 | 0.3 | 0.0 | 0.1 | 0.0 | 0.1 | 0.6 | 0.8 | 2.3 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Irvine RCH, 10 mi away.
Months at or above the year’s average flow: Jan–Mar — fullest in Feb, leanest in Aug.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean cfs | 14.6 | 28.3 | 18.5 | 5.8 | 2.9 | 1.2 | 0.3 | 0.1 | 0.1 | 0.2 | 1.1 | 5.3 |
USGS monthly mean discharge at gauge Santiago C A Modjeska CA, 5 mi away — the nearest gauge, which can sit on a different stream.
- Bigcone Douglas-fir79 obs
- flatbud prickly poppy41 obs
- Cobwebby Thistle40 obs
- canyon live oak36 obs
- Splendid Mariposa Lily35 obs
- coastal woodfern34 obs
- Coulter pine34 obs
- Poodle-dog Bush34 obs
Research-grade iNaturalist community observations within 3 km — what people have recorded, not a species inventory.
Where this comes from
Location and category confirmed against OpenStreetMap.
OpenStreetMapWikidataOpenStreetMap element node/3938814322
Day trips start here
- Lake Forest · 9 mi
- Corona · 11 mi
- Mission Viejo · 11 mi
- Beach Cities · 12 mi
- Laguna Hills · 12 mi
- Inland Cities · 13 mi
Take the scenic way to Grotto Spring.
Byway plans around your taste, verified places, real weather and opening hours — then opens every leg in Google Maps with one tap.