San Mateo Group Site
Open year-round. Park gates open 6 AM to 10 PM. Reservations available through ReserveCalifornia up to 6 months in advance. Minimum 9 occupants required to book the group site.
Tropical Storm Watch issued October 10 at 1:54PM PDT by NWS San Diego CA
* LOCATIONS AFFECTED - Oceanside - Carlsbad - Chula Vista - San Diego * WIND - LATEST LOCAL FORECAST: Below tropical storm force wind - Peak Wind Forecast: 10-20 mph with gusts to 30 mph - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for wind 39 to 57 mph - The wind threat has remained nearly steady from the previous assessment. - PLAN: Plan for hazardous wind of equivalent tropical storm force. - PREPARE: Efforts to protect property should now be underway. Prepare for limited wind damage. - ACT: Act now to complete preparations before the wind becomes hazardous. - POTENTIAL IMPACTS: Limited - Damage to porches, awnings, carports, sheds, and unanchored mobile homes. Unsecured lightweight objects blown about. - Many large tree limbs broken off. A few trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted, especially in coastal and valley locations that don't typically experience strong winds. Some fences and roadway signs blown over. - A few roads impassable from debris, particularly within urban or heavily wooded places. Hazardous driving conditions on bridges and other elevated roadways. - Scattered power and communications outages. * STORM SURGE - While true storm surge is unlikely, significant coastal flooding and beach erosion from tides over 7 feet, high surf, and increased onshore winds expected. - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Little to no storm surge flooding - PLAN: Coastal flooding, rough surf, coastal erosion, and life-threatening rip currents are possible. - PREPARE: Do not make plans to go to the beach. Take necessary actions to protect flood prone property. - ACT: Follow the instructions of local officials. Monitor forecasts. - POTENTIAL IMPACTS: Significant coastal flooding and beach erosion possible. Dangerous swimming conditions due to high surf and strong rip currents. * FLOODING RAIN - LATEST LOCAL FORECAST: Flood Watch is in effect - Peak Rainfall Amounts: Additional around 1 inch - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for major flooding rain - The flooding rain threat has remained nearly steady from the previous assessment. - PLAN: Emergency plans should include the potential for major flooding from heavy rain. Evacuations and rescues are likely. - PREPARE: Strongly consider protective actions, especially if you are in an area vulnerable to flooding. - ACT: Heed any flood watches and warnings. Failure to take action will likely result in serious injury or loss of life. - POTENTIAL IMPACTS: Extensive - Major rainfall flooding may prompt many evacuations and rescues. - Rivers and tributaries may rapidly overflow their banks in multiple places. Small streams, creeks, canals, arroyos, and ditches may become dangerous rivers. In mountain areas, destructive runoff may run quickly down valleys while increasing susceptibility to rockslides and mudslides. Flood control systems and barriers may become stressed. - Flood waters can enter many structures within multiple communities, some structures becoming uninhabitable or washed away. Many places where flood waters may cover escape routes. Streets and parking lots become rivers of moving water with underpasses submerged. Driving conditions become dangerous. Many road and bridge closures with some weakened or washed out. * TORNADO - LATEST LOCAL FORECAST: - Situation is unfavorable for tornadoes - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Tornadoes not expected - The tornado threat has remained nearly steady from the previous assessment. - PLAN: Tornadoes are not expected. Showers and thunderstorms with gusty winds may still occur. - PREPARE: Little to no preparations needed to protect against tornadoes at this time. Keep informed of the latest tornado situation. - ACT: Listen for changes in the forecast. - POTENTIAL IMPACTS: Little to None - Little to no potential impacts from tornadoes. * FOR MORE INFORMATION: - sdcountyemergency.com
Coastal Flood Warning issued October 10 at 1:38PM PDT until October 11 at 3:00PM PDT by NWS San Diego CA
* WHAT...For the Coastal Flood Warning through Sunday afternoon, significant coastal flooding and erosion is likely. For the Beach Hazards Statement from Sunday morning until Sunday evening, surf of 5 to 7 feet with local sets up to 9 feet. For the Coastal Flood Advisory from Sunday afternoon until Tuesday afternoon, minor coastal flooding expected. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Coastal Flood Warning, until 3 PM PDT Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. For the Coastal Flood Advisory, from 3 PM Sunday to 2 PM PDT Tuesday. * IMPACTS...Numerous roads and walking paths may be closed due to high water. Low-lying property including homes, businesses, and some critical infrastructure may flood. Shoreline erosion will occur during high tides in the mornings. Elevated surf will lead to a high risk of rip currents. * ADDITIONAL DETAILS...Greatest impacts on Sunday morning from Tropical Storm Rachel with a combination of increased swell, onshore winds, and high tides locally over 7.5 feet. High tides lower each day into the middle of the week.
Flood Watch issued October 10 at 11:36AM PDT until October 11 at 8:00PM PDT by NWS San Diego CA
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southwest California, including the following areas, Apple and Lucerne Valleys, Coachella Valley, Riverside County Mountains, San Bernardino County Mountains, San Diego County Coastal Areas, San Diego County Deserts, San Diego County Mountains, San Diego County Valleys and San Gorgonio Pass near Banning. * WHEN...From 11 PM PDT this evening through Sunday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Tropical Storm Rachel will bring periods of moderate to heavy rain to all of San Diego County, Riverside County mountains and deserts, and San Bernardino County mountains and deserts. Maximum hourly rainfall rates of 0.50 to 0.60 inches per hour are possible for San Diego Coast and Valleys. Maximum hourly rainfall rates of 0.50 to 0.70 inches per hour are possible across area deserts and 0.70 to 1 inch per hour rates are possible across area mountains. Heaviest rainfall is most likely late Saturday night through early Sunday afternoon. Rainfall will taper off from south to north Sunday. Lingering lighter showers are expected to continue into Monday. - https://www.weather.gov/safety/flood
About
San Mateo Group Site is a dedicated group camping area located at the southern end of San Mateo Campground within San Onofre State Beach. Situated on Marine Corps Base Camp Pendleton in northern San Diego County, the campground lies about 3 miles south of San Clemente and roughly 1 mile inland from 3.5 miles of sandy Pacific coastline. The tent-only group site accommodates up to 40 people and a maximum of 8 vehicles, with a minimum of 9 occupants required to book. The group site includes 2 fire pits (one standard and one ADA-accessible), a large BBQ for charcoal or wood, 6 picnic tables, 2 shade ramadas, and potable water. Campers have access to the campground's modern amenities including hot coin-operated indoor showers, flush toilets, and an RV dump station. Sleeping in vehicles is not permitted at this tent-only site. A 1.5-mile nature trail connects the campground to Trestles Beach, internationally renowned for its world-class surf breaks. The campground was established in 1971 and operates year-round. Reservations are made through ReserveCalifornia up to 6 months in advance. Dogs are allowed on leash (6 feet max) and must stay in tents at night; they are not permitted on the beach.
Directions
From I-5, take the Cristianitos Road exit and head inland approximately 1 mile to 830 Cristianitos, San Clemente, CA 92672.
Nearby Campgrounds
Location
Amenities
| Water | Yes |
| Fires Allowed | Yes |
| Toilets | Yes |
| Dump Station | Yes |
| Wifi | — |
| Pets Allowed | Yes |
| Showers | Yes |
| Electric Hookups | — |
| Water Hookups | — |
| Sewer Hookups | — |
| Camp Store | — |
| Price | $250 |
Vehicle
| Max RV Length | 26ft |
| Max Trailer Length | — |
| 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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