Dimond O Campground in CA -- Campground & RV Camping in California
Dimond O Campground in CA
Overnight stays are allowed only at the designated sites here.
Our source here is thin -- confirm on the ground before you commit.Campsites on the banks of Middle Fork Tuolumne River in Stanislaus National Forest near Yosemite's Big Oak Flat entrance. Each site has picnic table, bear box, and fire pit/grill; vault toilets and potable water provided. Trails run along the river. Maximum 6 people per single site, 14-day stay limit. $46 per night, open May–September. Access: 15 miles east of Groveland on Highway 120.
Grounded in fs.usda.gov · read August 24, 2026Road difficulty 1 of 5 -- an easy drive in. Recorded as maintained for passenger cars, paved, pitching to 8%.
Middle Tuolumne River runs 0.1 mi off. Bear Mountain stands 962 ft above the site, 1.1 miles southwest. Exposed here -- the nearest through road is 0.1 miles off, a 26-site campground. The nearest town, Pine Mountain Lake, is 17 mi off.
September normals 55–80°F, 0.4″ rain. Monthly averages, PRISM 1991–2020.