City, County & Regional Parks · California
Black Diamond Mines Regional Preserve Group Camp
City, County & Regional Parks · California, United States
- Group sites
- Yes
- Drinking water
- No
- Showers
- No
- Elevation
- 1,175 ft
- Dark sky
- Bortle class 5
- Nearest town
- Antioch
- Phone
- 888-327-2757
About
East Bay Regional Park District group campsite for parties of 10 or more. Chemical toilets on-site (primitive, no showers/flush toilets); fires only in designated rings, subject to fire-danger restrictions. Water is unreliable - bring your own. Reservations via ReserveAmerica, at least 3 business days ahead.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 54° | 40° | 32° | 71° | 1 of 11 |
| February | 57° | 41° | 29° | 72° | 2 of 11 |
| March | 61° | 43° | 34° | 80° | 0 of 11 |
| April | 63° | 44° | 37° | 78° | 0 of 11 |
| May | 72° | 49° | 44° | 89° | 0 of 11 |
| June | 77° | 52° | 47° | 101° | 0 of 11 |
| July | 82° | 55° | 49° | 97° | 0 of 11 |
| August | 82° | 56° | 52° | 99° | 0 of 11 |
| September | 78° | 55° | 49° | 93° | 0 of 11 |
| October | 73° | 51° | 44° | 91° | 0 of 10 |
| November | 61° | 46° | 36° | 71° | 0 of 10 |
| December | 53° | 40° | 32° | 63° | 1 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
- Mount Diablo State Park · California State Parks · 7 mi
- Brannan Island State Recreation Area · California State Parks · 14 mi
- Las Trampas Wilderness Regional Preserve Group Camp · City, County & Regional Parks · 14 mi
- Briones Regional Park Group Camp · City, County & Regional Parks · 16 mi
- Reinhardt Redwood Regional Park Group Camp · City, County & Regional Parks · 19 mi
All public campgrounds in California · Every state and province · Facts read from the operator 2026-08-29. Confirm fees, rules and current status with the operator before you go.