USDA Forest Service · California
Horse Flats Campground
USDA Forest Service · California, United States · in San Gabriel Mountains National Monument
- Drinking water
- No
- Restrooms
- Yes
- Elevation
- 5,659 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
- HORSE FLATS (NFSR 3N17G) · bituminous surface treatment · moderate degree of user comfort
- Nearest town
- La Ca¿¿ada Flintridge, CA
About
US Forest Service campground. Elevation:5600-Foot Elevation Amenities:26Campsites- Picnic tables and campfire rings, vault toilets, no piped water available. Bouldering: Rock climbing is a 1-mile hike to the top of MT. Hillyer. Hiking: The Silver Moccasin Trail is just a short walk away located at the southwest side of the campground. Horse Corrals: There are (4) horse corrals and several hitching posts located at the west side of the campground. Fees: Camping - $12 per night per site, $5 for extra vehicle. Campsites are first come-first served. No reserving of campsites allowed. Day use -Same as the camping fee. Adventure Pass required for vehicles parked outside the campground RV 's: Maximum RV length is 20feet - no hookups Horse Flats Campground offers 26 campsites with plentiful shade options at a lofty 5000-foot elevation. It also has accessible hiking opportunities such as the Silver Moccasin National Recreation Trail, some excellent areas for mountain bikers, and, as the name implies, equestrian resources that include four corrals and several more hitching posts. 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: $20 per night
Additional Vehicle Fee: $5 per vehicle per night
Day Use:
$20 per vehicle per day
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 52° | 37° | 24° | 72° | 5 of 11 |
| February | 52° | 34° | 19° | 73° | 8 of 11 |
| March | 53° | 36° | 22° | 81° | 8 of 11 |
| April | 60° | 40° | 28° | 76° | 3 of 11 |
| May | 67° | 45° | 32° | 83° | 0 of 11 |
| June | 78° | 53° | 39° | 94° | 0 of 11 |
| July | 84° | 60° | 50° | 92° | 0 of 11 |
| August | 83° | 59° | 52° | 95° | 0 of 11 |
| September | 77° | 55° | 44° | 90° | 0 of 11 |
| October | 71° | 48° | 34° | 85° | 0 of 10 |
| November | 62° | 43° | 28° | 75° | 3 of 10 |
| December | 55° | 37° | 24° | 69° | 3 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.
Nearby campgrounds
- Bandido Group Campground · USDA Forest Service · 0 mi · 5 sites
- Meadow Group Campground · USDA Forest Service · 1 mi · 2 sites
- Coulter Group Campground · USDA Forest Service · 1 mi · 1 sites
- Sulphur Springs Campground · USDA Forest Service · 2 mi
- Mt. Pacifico Campground · USDA Forest Service · 3 mi
All public campgrounds in California · Every state and province · Facts read from the operator 2026-08-06. Confirm fees, rules and current status with the operator before you go.