- Elevation, modelled
- 514 m
- Tallest summit within 14.9 miles
- Mount Diablo1,173 m · 2.4 mi
- Sunset, June solstice
- 20:34local time
- Coordinates
- 37.8502, -121.9337
Grotto is a picnic site in California, at a modelled 514 m. Mount Diablo stands 1,173 m to the north-northeast, 2.4 miles off. The nearest named place is Big Rock, a picnic site less than a tenth of a mile away.
Summits around it
The highest named summits within 14.9 miles of Grotto. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Mount Diablo | NNE 26° | 1,173 m | 2.4 mi |
| Devil's Pulpit | NNE 29° | 1,110 m | 2.5 mi |
| North Peak | NNE 31° | 1,084 m | 3.5 mi |
| Ransom Point | NNE 22° | 1,037 m | 2.7 mi |
| Mount Olympia | NNE 26° | 898 m | 3.9 mi |
| Eagle Peak | N 356° | 722 m | 3.6 mi |
| Red Leg Peak | E 87° | 652 m | 6.2 mi |
| Oyster Point | ESE 114° | 644 m | 3.3 mi |
Named places within 25 miles
Picnic sites
- Big Rock: 0.0 mi
- Uplands: 0.2 mi
- Arroyo Picnic Area: 0.2 mi
- Horseshoe Picnic Area: 0.2 mi
- Livermore Valley Overlook: 0.9 mi
Peaks
- Artist Point: 0.2 mi
- Wall Point: 1.2 mi
- Knobcone Point: 1.9 mi
- Mount Diablo: 2.4 mi
- Devil's Pulpit: 2.5 mi
Historic sites
- Historic Green Ranch Site: 1.9 mi
- All Wars Memorial: 2.9 mi
- Donner Cabin: 4.2 mi
- Fages Trail: 4.6 mi
- Old Borges Ranch: 4.6 mi
Artworks
- Diablo Road Stump: 2.1 mi
- Dinosaur sculptures: 3.5 mi
- Elephant statue: 3.5 mi
- Folded Circle: 6.1 mi
- Lime Ridge Labyrinth (Lake): 6.6 mi
Gardens
- Blackhawk logo: 2.2 mi
- Rose Garden: 4.0 mi
- Rose Garden: 4.1 mi
- Communuity Garden: 7.1 mi
- Ruth Bancroft Garden: 7.5 mi
Museums
- Mount Diablo State Park Summit Museum: 2.4 mi
- Blackhawk Natural History Museum: 3.5 mi
- Blackhawk Auto Museum: 3.5 mi
- Museum of the San Ramon Valley: 4.2 mi
- Tassajara School: 5.2 mi
Parks
- Oak Hill Park: 2.9 mi
- Sycamore Valley Park: 3.0 mi
- Bret Harte Park: 3.5 mi
- Sycamore: 3.5 mi
- Diablo West Greenbelt: 3.5 mi
Nature reserves
- Viera-North Peak: 3.4 mi
- Rideau: 3.7 mi
- Oak Hill Lane: 3.9 mi
- Wright Canyon: 4.0 mi
- Young Canyon: 4.3 mi
Attractions
- The Old Borges Ranchouse: 4.7 mi
- Turkey Vulture: 9.2 mi
- Hurricane Harbor: 10.7 mi
- Red Baron Airplanes: 10.7 mi
- Windy Grove Cars: 10.7 mi
Springs: 18
- Sheepherder Spring: 0.8 mi
- Sulfur Spring: 0.9 mi
- Maple Spring: 1.6 mi
- Mineral Spring: 1.8 mi
- Shady Spring: 2.0 mi
Beaches: 13
- Shadow Cliffs Beach: 13.4 mi
- Lake Temescal Beach: 16.2 mi
- Kite beach: 16.4 mi
- Playpen: 16.5 mi
- Sandy Beach: 17.2 mi
Ghost towns: 11
- Acelanus: 6.5 mi
- Nortonville: 8.0 mi
- Stewartville: 8.1 mi
- Somersville: 8.3 mi
- West Hartley: 9.1 mi
Cliffs: 6
- Turtle Rock: 1.3 mi
- Mitchell Rock: 4.6 mi
- The Devil's Shelf: 7.5 mi
- Chab: 13.4 mi
- Del Valle Cliffs: 18.8 mi
Waterfalls: 3
- Tehan Falls: 12.2 mi
- Abrigo Falls: 13.7 mi
- Murietta Falls: 24.9 mi
Lighthouses: 2
- Yerba Buena Island Lighthouse: 23.6 mi
- Quarters A: 23.6 mi
Rest areas: 1
- Rest Stop: 19.0 mi
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:12 | 18:45 | 19:20 |
| June solstice | 05:47 | 19:55 | 20:34 |
| September equinox | 06:56 | 18:32 | 19:06 |
| December solstice | 07:21 | 16:12 | 16:53 |
Local time (America/Los_Angeles).
Months averaging 50–80 °F: Mar–Nov.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 48 | 48 | 50 | 53 | 59 | 66 | 72 | 72 | 70 | 63 | 53 | 47 |
| Precip in | 5.1 | 4.9 | 3.7 | 1.9 | 1.1 | 0.3 | 0.0 | 0.0 | 0.1 | 1.2 | 2.6 | 5.1 |
1991–2020 U.S. Climate Normals, NOAA NCEI — MT Diablo Junction, 2 mi away.
Location and category confirmed against OpenStreetMap.
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