Group Campground
San Mateo Group Site availability alerts
San Mateo Group Site is a bookable group campground in San Onofre State Beach, California using ReserveCalifornia. When your dates are sold out, OpenCampsite can watch for a matching cancellation or new opening and email you after it is detected.
Get an email when San Mateo Group Site opens up
Choose your arrival dates, stay length, and campsite preferences. OpenCampsite checks ReserveCalifornia on an adaptive schedule. If a check detects a matching cancellation or new opening, we email you so you can book it on the official reservation site.
Free while we're in beta — no credit card required. OpenCampsite sends alerts; campsite booking and payment stay with ReserveCalifornia.
How the alert works
- 1. Pick dates and campsite preferences
- 2. We check ReserveCalifornia on an adaptive schedule
- 3. Get an email and book on the official site
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