California · Rock climbing · Taylorsville

Tom's Thumb

Tom's Thumb in California has 16 climbing routes with 11 difficulty grades, offering sport and trad styles.

16 routes
5.6 – 5.10d
Trad · Sport

Is Tom's Thumb open right now?

Alert in the area

The Forest Service lists an alert for Plumas National Forest.

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

Tom's Thumb is a climbing area in the Beckwourth Ranger District of Plumas National Forest in northern California, managed by the Forest Service. The area holds 16 routes, with 14 of them done on traditional gear and two on sport. Grades run from 5.6 to 5.10d, with the hardest route, Thumbdercling, at 5.10d. Among the trad routes, Foolish Frans is a 5.7 and Thumb Thump is a 5.10, and Hangnail is the only sport route, a 5.9+ first climbed in 2010. The area's name is echoed in Thumbdercling, which was first ascended by Suchoski in 2021. Several other outdoor options sit within about 10 miles. Long Point offers camping and lake fishing, and Maidu Rocks is another climbing area. Lone Rock has lake fishing, and Middle Creek is a hike.