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Bumpass Hell Trail

The trail crosses volcanic slopes and snow-prone ridges before descending to boiling pools, steam vents, sulfur, and acidic ground.

Bumpass Hell Trail

Artwork inspired by Corita Kent

The trail crosses volcanic slopes and snow-prone ridges before descending to boiling pools, steam vents, sulfur, and acidic ground. Boardwalks are safety infrastructure, not scenic suggestions. Three anchors prevent a superficial visit: distance is About 3 miles round trip, elevation is 8,000+ feet, and hazard is Thin thermal crust.

Check snow opening and thunderstorms, then stay on the boardwalk and compare vent sound, color, and mineral deposition from fixed viewpoints. The route often opens late, exposed slopes hold snow, and leaving the boardwalk can break through thin crust into scalding water. The productive comparison is between hydrothermal basin and boardwalk, with Brokeoff view supplying the evidence that changes how the whole place reads.

Distance
About 3 miles round trip
Elevation
8,000+ feet
Hazard
Thin thermal crust

Quick guide

Orient from
Check snow opening and thunderstorms, then stay on the boardwalk and compare vent sound, color, and mineral deposition from fixed viewpoints.
Follow the evidence
Compare hydrothermal basin with boardwalk, then use Brokeoff view to test what the site is trying to communicate.

Know before you go

Orient from
Check snow opening and thunderstorms, then stay on the boardwalk and compare vent sound, color, and mineral deposition from fixed viewpoints.
Follow the evidence
Compare hydrothermal basin with boardwalk, then test that reading against Brokeoff view.
Place in context
Distance: About 3 miles round trip; Elevation: 8,000+ feet; Hazard: Thin thermal crust
Plan the arrival
For Bumpass Hell Trail, navigate to Bumpass Hell Trailhead, Lassen Volcanic National Park Hwy, Mineral, CA 96063, the reviewed public trailhead. Before hiking Bumpass Hell Trail, recheck permits.

Good to know

The route often opens late, exposed slopes hold snow, and leaving the boardwalk can break through thin crust into scalding water.

Notice these

Official information

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