Loading…
Free — you'll pick up right here.
Watch this trail
Sign up to watch it — saving subscribes you to gate, closure and report changes.
California
4.0 mi
Distance
1,007 ft
Gain
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Shasta-Trinity National Forest
3 managing-area boundaries mapped — agency alerts for them feed this page automatically.
Boundary data
What's missing
No access route mapped
We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.
Nobody's filed a report here yet — be the first.
Why you'll love it
Thumb Rock
AI-suggested draft · review before you go
No permit or access details on file for this trail — check with the local land manager before you go.
Thumb Rock is a scenic 4-mile round-trip hike featuring nearly 1,000 feet of elevation gain, making it an accessible yet rewarding adventure for hikers seeking moderate exertion. The trail climbs steadily through varied terrain to reach its namesake rock formation, offering expansive views of the surrounding landscape. This route provides an excellent balance of challenge and accessibility for those looking to build endurance without committing to a full-day expedition.
Tracy
~2 min drive
Easy 3.4-mile foothill trail near Tracy with gentle elevation gain.
Parker Creek
~3 min drive
Moderate 7-mile creek trail with 2,500 ft gain through forested terrain.
Little Boulder Lake
~4 min drive
Easy 1-mile alpine lake hike with minimal elevation gain.
Lilypad Lake
~2 min drive
Moderate 4.6-mile alpine lake hike with 1,293 ft elevation gain.
Bear Basin
~3 min drive
Steep alpine climb to remote Bear Basin with 7,500 ft elevation gain.
Boulder Lake
~6 min drive
Short, steep alpine lake hike with significant elevation gain.
Sunrise Creek
~6 min drive
Steady 3.6-mile creek-side climb with 1,500 ft elevation gain.
Deer Flat
~3 min drive
Moderate 8.2-mile foothills hike with 1,583 ft elevation gain.
Seven Up Peak
~10 min drive
Steep 2.4-mile peak climb with 758 ft elevation gain.
Ward Lake
~9 min drive
Extreme alpine climb with 8,000 ft gain in 3 miles near Ward Lake.
