The circuit in and around Hidden Valley Campground (HVCG) is a large one and has been broken up geographically into the cardinal directions to help better locate the problems.

Problems in this circuit range from V-easy to V10 with a good selection of problems in the V6 and under range. Some of the better here include Left Nixon Crack (V0 R), Lapse of Logic (V1), The Funktion (V3 R), Stem Gem (V4), Bachar's Traverse (V4), Scatterbrain (V6), Caveman (V7) and Orange Julius (V7).