The Grass Lake ATV Trail is a 11 mile route open to off-road motorcycle trails riding.
The trailhead is southwest of the Clayton Guard Station.
The 10.7 mile Grass Lake Trail begins on Forest Service Road 140 (Davis Flat Road) about 3 miles southwest of teh Clayton Guard Station Turnoff and ends on the old road at the junction with the Birch Creek Trail. The trail passes by several small lakes, Birch Creek, and various springs and seeps. The reail provides an excellant view of Mud Springs Point. Elevation Change 1320 ft.
Overall, Grass Lake Trail is the 52nd most popular dirt bike trail of all 68 dirt biking rides in Utah.