City, County & Regional Parks · California
Dumbarton Quarry Campground
City, County & Regional Parks · California, United States
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Elevation
- 26 ft
- Dark sky
- Bortle class 5
- Nearest town
- Fremont
- Phone
- 888-327-2757
About
East Bay Regional Park District family campground on San Francisco Bay, a former quarry site. RV, tent, and hike-in sites (max 8 people/site). Running water, flush toilets, and showers. Reservations via ReserveAmerica, released on a rolling 12-week window.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 61° | 48° | 36° | 77° | 0 of 11 |
| February | 62° | 47° | 37° | 80° | 0 of 11 |
| March | 65° | 49° | 40° | 90° | 0 of 11 |
| April | 66° | 51° | 42° | 80° | 0 of 11 |
| May | 72° | 54° | 48° | 92° | 0 of 11 |
| June | 78° | 58° | 52° | 103° | 0 of 11 |
| July | 84° | 61° | 55° | 101° | 0 of 11 |
| August | 84° | 62° | 58° | 108° | 0 of 11 |
| September | 79° | 61° | 52° | 100° | 0 of 11 |
| October | 76° | 57° | 47° | 97° | 0 of 10 |
| November | 66° | 52° | 40° | 78° | 0 of 10 |
| December | 61° | 46° | 38° | 70° | 0 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
- Coyote Hills Regional Park Group Camp · City, County & Regional Parks · 1 mi
- Garin Regional Park Group Camp · City, County & Regional Parks · 7 mi
- Anthony Chabot Regional Park Family Campground · City, County & Regional Parks · 16 mi
- Las Trampas Wilderness Regional Preserve Group Camp · City, County & Regional Parks · 19 mi
- Reinhardt Redwood Regional Park Group Camp · City, County & Regional Parks · 20 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.