San Onofre Sb San Mateo Campground
Open year-round. Reservations available through ReserveCalifornia. Park hours are 6 AM to 10 PM daily.
Flood Advisory issued August 9 at 1:21PM PDT until August 9 at 4:20PM PDT by NWS San Diego CA
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of Southwest California, including the following counties, Riverside and San Diego. * WHEN...Until 420 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Dangerous flows over low-water crossings. * ADDITIONAL DETAILS... - At 121 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1.25 inches of rain have fallen. - Additional rainfall amounts of 0.25 to 1.25 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Anza, Hwy 79 Between Warner Springs And Oak Grove, Aguanga and Cahuilla Indian Reservation. - https://www.weather.gov/safety/flood
Coastal Flood Advisory issued August 9 at 12:24PM PDT until August 12 at 11:00PM PDT by NWS San Diego CA
* WHAT...Minor coastal flooding expected during the evening high tides. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...From 6 PM Monday to 11 PM PDT Wednesday. * IMPACTS...Flooding of low lying parking lots, parks, and roads. * ADDITIONAL DETAILS...High tides of 7.2 to 7.5 will peak each evening between 7:30PM-10PM due to astronomical high tides.
About
San Mateo Campground is the primary overnight camping area at San Onofre State Beach, located about one mile inland from Interstate 5 at the Cristianitos Road exit. The campground offers 157 sites spread across several loops: sites 1-67 are RV hookup sites with electric and water connections, sites 68-100 are standard campsites, and sites 101-157 are tent-only primitive sites. A group camping area accommodates larger parties. The campground provides solid amenities including flush toilets, hot indoor showers, potable water, and an RV dump station. Every site includes a fire pit and picnic table. Mature trees throughout the campground provide shade and privacy between sites. The maximum vehicle length is 36 feet. The signature attraction is the 1.5-mile Nature Trail connecting the campground to Trestles Beach, home to legendary surf breaks like Lower Trestles, Upper Trestles, and Church. The beach was selected to host surfing events for the 2028 Los Angeles Olympics. Beyond surfing, the 3.5 miles of sandy beaches offer swimming, fishing, and wildlife watching. The campground operates year-round with hours from 6 AM to 10 PM.
Directions
From Interstate 5, take the Cristianitos Road exit. The campground is located at 830 Cristianitos Road, San Clemente, approximately one mile inland from the freeway.
Nearby Campgrounds
Location
Amenities
| Water | Yes |
| Fires Allowed | Yes |
| Toilets | Yes |
| Dump Station | Yes |
| Wifi | — |
| Pets Allowed | Yes |
| Showers | Yes |
| Electric Hookups | Yes |
| Water Hookups | Yes |
| Sewer Hookups | No |
| Camp Store | — |
| Price | $45 - $70 |
Vehicle
| Max RV Length | 25ft |
| Max Trailer Length | 36ft |
| Big Rig Friendly | No |
| Pull Through Sites | No |
Contact
| Phone | +1 (949) 492-4872 |
Cell Service
| AT&T | Yes |
| Verizon | Yes |
| T-Mobile | Yes |
Availability
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