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Recreation Region: Union Valley Reservoir Area

Lone Rock Campground

Current Conditions
Dry campground no water on site. Walk, bike, or boat-in only.

Bike-in or Walk-in along the Union Valley trail from Jones Fork Campground or Boat in from Union Valley boatramp.

Union Valley Bike Trail & Campground Recreation Opportunity Guide (ROG) - This guide contains information, maps, and directions to assist you in enjoying your trip to the Eldorado National Forest.

General Information

Must pack out trash.

June - September

Check in and check out 1 pm.  

Must pack out trash.

No fees are required for this site

No fee.

None

Photo of the front entrance to the Placerville Ranger District Visitor Services office.

Address: 4260 Eight Mile Road Camino, CA 95709
Phone: (530) 644-2324
Hours: 8:00 AM until 4:30 PM, Monday through Sunday, including July 4th and Juneteenth (Summer hours--Memorial weekend to September); 8:00 AM until 4:30 PM, Monday through Friday (Winter hours--October to May) (Closed on federal holidays)

Getting There

Latitude / Longitude

Latitude: 38.863334

Longitude: -120.385998

Facility and Amenity Information

Restrooms

Vault toilet(s)

Water

Potable water is not available at this site.

Picnic Tables

Picnic tables are available at this site.

Recreation Opportunities

Fishing - Lake & PondFishing - Lake & Pond

Last updated September 28, 2026