California · Hiking · Trinity Alps Wilderness

Thumb Rock

4.0 mi
round trip
669 ft
climb
7,305 ft
high point
Out and back
route

Is Thumb Rock open right now?

Closure in the area

There's a closure order in Shasta-Trinity National Forest. It doesn't name Thumb Rock, so check the source for the area it covers (2 listed).

As of · Source: USFS · Shasta-Trinity National Forest. Agencies don't list every closure — check before you go.

Thumb Rock is a 4-mile out-and-back hike in the Trinity Alps Wilderness, part of the Weaverville Ranger District of Shasta-Trinity National Forest in northern California. The trail rises from about 6,830 feet to a high point of 7,305 feet, with a total elevation gain of 669 feet. The Forest Service manages the land, and the route is rated moderate. The trail is natural-surfaced and allows horses, but bikes are not permitted. The open season runs from May 1 to November 28, so plan your trip within those dates. Several other destinations sit close by. Tracy and Lilypad Lake are each about a mile away, and Parker Creek is about 1.8 miles off. For an overnight stay, Preacher Meadow Campground is roughly 5.7 miles away.