Live mountain bike trail conditions for Holly-Holdridge Recreation Area, 29 miles in Oakland County, southeast Michigan. This page shows current rideability, a trail-specific drying model, recent weather, and rider reports — updated every 30 minutes.
Singletrack — East (Gruber's Grinder) + multi-loop West network + Wilderness Trail. Difficulty Green–Black. Ride character: tech, flow.
Loops: East Loop (Gruber's Grinder) 15.5 mi · North Loop 2.25 mi · West Short Loop 4 mi · West Lake Loop 1 mi · West Long Loop 5.75 mi · West Tech Loop 0.75 mi · West Turtle Loop 0.7 mi · Wilderness Trail 5.2 mi.
Holly-Holdridge Recreation Area drains slowly — heavier soil and older trail cuts can hold water for 48–72 hours after significant rain. Parking at Holdridge CRAMBA Trailhead. Please ride responsibly and stay off muddy or saturated trails to avoid causing damage.
Nearest other trails: Pontiac Lake Recreation Area 13 mi · Highland Recreation Area 13 mi · Settlers Park 15 mi. trail guide · trail map. Browse all trail conditions.