California State Parks · California
Caswell Memorial State Park
California State Parks · California, United States
- Group sites
- Yes
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Dump station
- No
- Pets
- Yes
- Elevation
- 69 ft
- Dark sky
- Bortle class 4
- Cell coverage
- T-Mobile weak · AT&T weak · Verizon weak (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Nearest town
- Ripon
- Address
- 28000 South Austin Road
- Phone
- (209) 599-3810
About
Caswell Memorial State Park is a California State Park campground offering tent camping, group campsites, hike/bike campsites, RV camping in San Joaquin County.
Fees
California State Parks (ReserveCalifornia.com) does not publish one statewide nightly rate schedule; its own Booking and Fees page states rates 'vary based on the accommodation type and the amenities available at that park' and are posted per-park at booking time. A non-refundable $8.25 reservation fee (also $8.25 to modify or cancel) applies per ReserveCalifornia transaction, on top of the site's nightly rate. Fees include entry for one vehicle and one legally towed vehicle/trailer; additional vehicles are charged per-night at the park. Yes: Dogs are welcome at the park but not allowed on trails, in the river, on beaches, and must always be on a leash.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 59° | 42° | 33° | 72° | 0 of 11 |
| February | 61° | 43° | 32° | 73° | 1 of 11 |
| March | 64° | 46° | 35° | 85° | 0 of 11 |
| April | 70° | 49° | 38° | 86° | 0 of 11 |
| May | 83° | 55° | 44° | 96° | 0 of 11 |
| June | 90° | 60° | 51° | 107° | 0 of 11 |
| July | 96° | 64° | 55° | 108° | 0 of 11 |
| August | 94° | 64° | 58° | 107° | 0 of 11 |
| September | 89° | 60° | 51° | 103° | 0 of 11 |
| October | 80° | 55° | 45° | 91° | 0 of 10 |
| November | 66° | 47° | 37° | 80° | 0 of 10 |
| December | 57° | 42° | 32° | 65° | 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
- McHenry Avenue Recreation Area · Army Corps of Engineers · 10 mi · 13 sites
- Carnegie State Vehicular Recreation Area · California State Parks · 20 mi
- Woodward Reservoir Regional Park · City, County & Regional Parks · 21 mi
- Valley Oak Recreation Area · Army Corps of Engineers · 21 mi · 11 sites
- Frank Raines Regional Park OHV Campground · City, County & Regional Parks · 22 mi
All public campgrounds in California · Every state and province · Facts read from the operator 2026-08-25. Confirm fees, rules and current status with the operator before you go.