Hollister Hills

CA

Managed by California State Parks, Off-Highway Motor Vehicle Recreation (OHMVR) Division — Diablo Range District

Vehicles allowed

SxSATVDirt BikeADV4x4

Season

Open year-round, including Red Sticker (non-CARB) machines since January 1, 2025. Adobe and Renz close in wet weather; Granitic drains faster and reopens sooner.Source: California State Parks OHV and California State Parks OHMVR · Sep 24, 2026

Closures

Closures: not checked yet. Check with California State Parks, Off-Highway Motor Vehicle Recreation (OHMVR) Division — Diablo Range District