Place closure
No recurring date-based closure of Poison Canyon Trailhead is published. Remote seasonal forest-road access and temporary emergency orders still control access.
Trailhead
Poison Canyon Trailhead
Trinity Alps Wilderness, Shasta-Trinity National Forest, California
About this place
Poison Canyon Trailhead begins on Forest Service Trail 08W10; the route connects to the Union Creek and Sugar Pine Lake side of the wilderness
This is a remote forest-road entry; verify gate, washout, and fire-order status before travel.
Seasonal access
Closures & seasonal access
Trinity Alps Wilderness has no published recurring closure season, but high-country snow can persist into summer and remote forest roads can be blocked by snow, washouts, wildfire, or storm damageSeasonal access
Remote seasonal forest-road access: Use the signed Poison Canyon Trailhead access in Trinity Alps Wilderness, Shasta-Trinity National Forest, California. The seven supported entries use different paved and unpaved Forest Service approaches. Verify the signed trailhead, road surface, snow, washouts, fire closures, and parking status before leaving the highway. Trinity Alps Wilderness has no published recurring closure season, but high-country snow can persist into summer and remote forest roads can be blocked by snow, washouts, wildfire, or storm damage.
Before driving
Check Shasta-Trinity alerts and the exact signed trailhead road immediately before travel; a self-issued wilderness permit does not guarantee road or trail access.
Map
Loading map
- Latitude
- 41.033148° N
- Longitude
- 122.760004° W