US Forest Service · California
Upper Oso Campground in California. Ringed marker is this site; the other dots are the 1330 public campsites we map in California.
Upper Oso Campground provides ample opportunity for exploration of California's coastal mountains. It is a family-friendly campground, equipped with equestrian sites, and is close to a variety of trails and several mountain streams. Recreation A variety of hiking, mountain biking and horseback riding trails begin in and around the campground, including the Santa Cruz Trail, which traverses 18 miles north to the San Rafael Wilderness. The 2.
Motocamp routes the vehicle you are actually in and picks up the road surface on the way. Download the state and it keeps working with no signal.
Start a 14-day trialSource: Recreation.gov, dated 2026-02-25, fetched 2026-09-07. Official listing.