USDA Forest Service · California
Big Rock Campground
USDA Forest Service · California, United States · in San Gabriel Mountains National Monument
- Drinking water
- No
- Restrooms
- Yes
- Elevation
- 5,417 ft
- Dark sky
- Bortle class 4
- Cell coverage
- T-Mobile none · AT&T none · Verizon none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Access road
- BIG ROCK CG (NFSR 4N11B0) · native material · high clearance vehicles
- Nearest town
- Pear blossom
Season dates aren't confirmed for this campground yet - opening and closing dates haven't been verified. Check the operator's page or call ahead before you plan a trip.
Site map
The imagery of the campground. Press and hold the map to drop your own pins and notes; the operator publishes no site points here. Your ratings, notes, pins and photos are kept with the campground on your Saved list, the same list the camping map and the drive page keep.
Site map · loading…
About
US Forest Service campground. Big Rock Campground is an open-year round site that is accessed from Forest Service Road 4N11. 4N11 is closed seasonally from beginning of May to mid-November. During winter months, when Forest Service Road 4N11 is closed, you must hike in 1/8th mile from gate. Amenities: 8 campsites with one designated picnic table and campfire ring. Vault toilets. Trash receptacles. No piped water available.(Please bring enough water for cooking, cleaning, drinking, and extinguishing campfires.). Pack out what you pack in. Not reservable through Recreation.gov, so plan on first-come, first-served; check with the ranger district for current conditions and fees.
Fees
Overnight Use:
Single Site: $5 per night
Day Use:
$5 per vehicle per day
$30 per annual
$5 per secondary annual
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 53° | 38° | 24° | 71° | 5 of 11 |
| February | 53° | 36° | 22° | 73° | 7 of 11 |
| March | 54° | 38° | 23° | 83° | 6 of 11 |
| April | 63° | 42° | 30° | 78° | 2 of 11 |
| May | 72° | 48° | 35° | 86° | 0 of 11 |
| June | 84° | 57° | 41° | 100° | 0 of 11 |
| July | 89° | 64° | 54° | 98° | 0 of 11 |
| August | 87° | 63° | 55° | 98° | 0 of 11 |
| September | 81° | 58° | 47° | 90° | 0 of 11 |
| October | 73° | 52° | 37° | 86° | 0 of 10 |
| November | 64° | 46° | 29° | 76° | 1 of 10 |
| December | 55° | 39° | 26° | 69° | 4 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Trails nearby
- Mt. Baden Powell via Vincent's Gap · 1.8 mi as the crow flies
High Desert NRT (manzanita) 5.4 mi Hike, Pct Grassy Hollow 4.4 mi Hike, Mine Gulch 4.2 mi Hike · Drive there - Inspiration Point Trailhead · 4.0 mi as the crow flies
Pct Wright Mt to Inspiration P 6.7 mi Hike · Drive there - Islip Saddle Trailhead · 4.7 mi as the crow flies
Pct Dawson Saddle 30 mi Hike, High Desert NRT (south Fork) 5.0 mi Hike · Drive there - Windy Gap Trailhead · 5.2 mi as the crow flies
Windy Gap Trail 2.6 mi Hike · Drive there - Islip Wawona Trailhead · 6.1 mi as the crow flies
Islip Ridge Trail 4.9 mi Hike · Drive there
All 205 trails in Angeles National Forest · All 140 trails in San Gabriel Mountains National Monument
Trailheads the Park Service and the Forest Service map, within 10 miles as the crow flies; each trail's page has its length, climbing and the Service's description.
Nearby campgrounds
- Jackson Flats · USDA Forest Service · 2 mi · 5 sites
- Southfork Campground · USDA Forest Service · 3 mi
- Mountain Oak · USDA Forest Service · 3 mi · 28 sites
- Jackson Flat Group Campground · USDA Forest Service · 3 mi
- Lake Campground · USDA Forest Service · 3 mi · 8 sites
All public campgrounds in California · Every state and province · Facts read from the operator 2025-12-22. Confirm fees, rules and current status with the operator before you go.