# Green River State Forest

**Location:** Black Diamond, WA | **Difficulty:** Easy | **Length:** 40+ miles

**GPS:** 47.2876, -121.9543

**Vehicle requirements:** Stock high-clearance 4WD or AWD with all-terrain tires. No lift or lockers required.

**Best season:** Year-round

Network of logging roads through second-growth forest just 45 minutes from Seattle. Perfect for beginners with gentle grades and well-maintained gravel surfaces.

**Region:** Northwest • **Trail type:** Trail • **Rating:** 4/5

**Highlights:** Near Seattle, Beginner friendly, Forest roads, Year-round access, Easy terrain

**Nearby campgrounds:**
- [White River Campground (Ashford, Washington)](https://4x4playground.com/camping/washington/white-river-campground)
- [Cougar Rock Campground (Ashford, Washington)](https://4x4playground.com/camping/washington/cougar-rock-campground)

Canonical page: https://4x4playground.com/overlanding/trails/green-river-forest