Lassen Volcanic National Park · CA
Bumpass Hell (Lassen)
Easy · Day hike · Best in Summer, Fall
Length
3 mi
Gain
500 ft
Scenery
★★★★☆
About this trail
A boardwalk through the largest hydrothermal area in the park. Boiling mud pots, fumaroles, and turquoise pools — Yellowstone, but with no crowds.
Highlights
- Boiling mud pots
- Fumaroles
- Boardwalk through hot springs
Get there
Start: Trailhead · 40.4565, -121.5028
Open driving directions in Google Maps →Along the way
- Bumpass Hell TH@ mile 0· 8,200 ft
- Bumpass Hell basin@ mile 1.5
- Big Boiler (mud pot)@ mile 1.5
- Boiling pools@ mile 1.5
Plan your visit on the interactive map
See Bumpass Hell (Lassen) on the live Trailspark map alongside weather averages, gear lists, an elevation profile, and nearby points of interest.
Open Bumpass Hell (Lassen) on the map →