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California
12.5 mi
Distance
3,790 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
2 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
Poison Canyon
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.
Poison Canyon is a challenging 12.52-mile trail offering significant elevation gain through desert canyon terrain in California. This hard-difficulty route rewards hikers with dramatic canyon views and substantial vertical relief, making it ideal for experienced hikers seeking a full-day adventure in a remote setting.
Lilypad Lake
~3 min drive
Moderate 4.6-mile alpine lake hike with 1,293 ft elevation gain.
Deer Flat
~4 min drive
Moderate 8.2-mile foothills hike with 1,583 ft elevation gain.
Little Boulder Lake
~4 min drive
Easy 1-mile alpine lake hike with minimal elevation gain.
Thumb Rock
~5 min drive
Steady 4-mile climb to Thumb Rock with 1,000 ft gain and scenic summit views.
Lion Lake
~6 min drive
Moderate 9.4-mile alpine lake hike with 3,300 ft elevation gain.
Boulder Lake
~5 min drive
Short, steep alpine lake hike with significant elevation gain.
Tracy
~5 min drive
Easy 3.4-mile foothill trail near Tracy with gentle elevation gain.
Bear Basin
~8 min drive
Steep alpine climb to remote Bear Basin with 7,500 ft elevation gain.
Union Lake
~11 min drive
Easy 1.8-mile alpine lake hike with 375 ft elevation gain.
Sunrise Creek
~11 min drive
Steady 3.6-mile creek-side climb with 1,500 ft elevation gain.
