The Troop has gone here for biking trips. This is easier than Bizz Johnson and shorter and closer to get to (about 2 hours). Reserve campsites through ReserveCalifornia.com Group Campsites are $195 for 25 or 50 people and individual sites are $28 for 8 to 10 each.
Information website: https://www.parks.ca.gov/?page_id=500
Map Link (beta): https://www.google.com/maps?q=38.77265149999999,-121.1085636
Bookings: