City, County & Regional Parks · California
Sweetwater Summit Regional Park
City, County & Regional Parks · California, United States
- Sites
- 112
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Elevation
- 367 ft
- Dark sky
- Bortle class 5
- Nearest town
- Bonita
- Address
- 3218 Summit Meadow Road, Bonita, CA 91902
- Phone
- 858-565-3600
- Activities
- hiking
About
San Diego County park on a ridge above Sweetwater Reservoir in Bonita, with 15 miles of hiking and equestrian trails and views to the bay. 112 campsites for RVs, trailers and tents, many with water and electric hookups; a 2024 expansion added 17 full-hookup RV sites. Coin-operated showers, restrooms, a splash pad, playground and group picnic pavilion. Reservations online through the county parks system.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 63° | 49° | 41° | 83° | 0 of 11 |
| February | 63° | 48° | 37° | 87° | 0 of 11 |
| March | 62° | 50° | 41° | 86° | 0 of 11 |
| April | 67° | 52° | 46° | 84° | 0 of 11 |
| May | 69° | 56° | 50° | 87° | 0 of 11 |
| June | 75° | 60° | 56° | 87° | 0 of 11 |
| July | 80° | 65° | 59° | 88° | 0 of 11 |
| August | 82° | 67° | 61° | 91° | 0 of 11 |
| September | 80° | 64° | 56° | 93° | 0 of 11 |
| October | 77° | 59° | 51° | 92° | 0 of 10 |
| November | 72° | 55° | 45° | 88° | 0 of 10 |
| December | 65° | 49° | 41° | 78° | 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
- Silver Strand State Beach · California State Parks · 9 mi
- Tijuana River Valley Regional Park Campground · City, County & Regional Parks · 11 mi · 51 sites
- Oakoasis County Park Youth Group Campsite · City, County & Regional Parks · 17 mi
- Dos Picos County Park · City, County & Regional Parks · 22 mi
- Potrero County Park · City, County & Regional Parks · 25 mi · 37 sites
All public campgrounds in California · Every state and province · Facts read from the operator 2026-09-07. Confirm fees, rules and current status with the operator before you go.