Group Campground #2 in CA -- Campground & RV Camping in California
Group Campground #2 in CA
CA State Parks allows overnight stays only at the designated sites here.
Group campsite in O'Neill Regional Park's Arroyo Campground, a 4,500-acre preserve in Trabuco Canyon. Accommodates parties of 17+ people with eight large group sites available. Full amenities include potable water, fire pits, picnic tables, flush toilets, hot showers, and dump station. Over 23 miles of trails for hiking, biking, and horseback riding through oak and riparian canyon terrain.
Grounded in ocparks.com · read August 24, 2026The road in has not been measured -- unknown, not bad.
Crowded here -- the nearest through road is 0.1 miles off. The coast lies 0.2 mi off. Night skies measure Bortle 6 -- a suburban sky. The nearest town, San Clemente, is 3.3 mi off.
September normals 61–75°F, 0.1″ rain. Monthly averages, PRISM 1991–2020.