Place closure
No recurring date-based closure of Underwood Valley Trailhead is published. Seasonal Sierra pass access and temporary emergency orders still control access.
Trailhead
Mokelumne Wilderness, Stanislaus National Forest, California
Underwood Valley Trailhead begins on Forest Service Trail 18E02; the Stanislaus permit inventory identifies this as a western Mokelumne entry
Use the permit entry named on the authorization; snow and rough roads limit shoulder-season access.
Seasonal access
No recurring date-based closure of Underwood Valley Trailhead is published. Seasonal Sierra pass access and temporary emergency orders still control access.
Seasonal Sierra pass access: Use the signed Underwood Valley Trailhead access in Mokelumne Wilderness, Stanislaus National Forest, California. Use the signed Carson Pass, Blue Lakes, Caples, Woods Lake, or Ebbetts Pass access and verify road, fee, parking, and closure status. Carson Pass and Mokelumne Wilderness remain winter backcountry when snow closes or restricts Highway 88 spurs and high trailheads. Opening dates vary with snow, storms, and road work.
Check Eldorado National Forest alerts, Caltrans controls, and the selected trailhead road and parking rules before departure.