Salmon River Hot Springs

2 named places are on the Salmon River in Idaho. 2 charge a day-use fee. 2 have a closure or hazard note on file.

  • Closed, or no soaking or swimming
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Showing 2 of 2 hot springs

Name Temperature Development Access Fee Status
100-110°F pools Development Primitive Access 0.1 mi hike, paved road Fee Free Status Closure or warning on file
Sunbeam Hot Springs Custer County
169°F source Development Primitive Access paved road Fee No Sunbeam-specific day-use fee published on USFS Upper O'Brien Campground page (2026-09-30). Status Closure or warning on file

Common questions

Where can you swim on the Idaho side of the Salmon River?

2 named spots are on record: Boat Box Hot Springs and Sunbeam Hot Springs.

Are there free beaches on the Idaho side of the Salmon River?

Yes. No fee on record for Boat Box Hot Springs. Each page cites its source.

Are any beaches on the Idaho side of the Salmon River closed?

A closure or hazard note is on file for Boat Box Hot Springs and Sunbeam Hot Springs. Each page has the dated detail.