Guide to Idaho Hot Springs 
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Public Hot Springs in Idaho by Region (4)

Public hot springs in Idaho come in many different shapes and sizes and range from easy access to multiple days of backpacking to access. The hot springs in this area are located on public lands; National Forest, BLM or Wilderness, and typically do not have any fees associated with access except for a few with day use fees.

Idaho has the most usable hot springs in the Nation, with about 130 soakable out of 340. However, Nevada has the most hot springs overall, but the majority of them are not soakable. Geothermal water is hot because it is heated from within the Earth's crust, forcing it up to the surface where pools are developed or form naturally near the outflow. Ninety percent of Idaho's 340 hot springs are the result of leftover energy heating water near fault lines whereas the remaining hot springs are traditionally heated by volcanic activity.

A statewide map, GPS coordinates and Idaho road reports are also available.

View hot springs near Boise or commercial hot springs in Idaho.

Select from the regions below to view individual public Idaho hot springs listings.

Idaho Hot Springs Region 1

Nearby Cities: Grangeville, Lewiston, Lolo

North-Central Idaho

Public Lands: Clearwater National Forest, Selway-Bitterroot Wilderness, Nez Pierce National Forest

Idaho Hot Springs Region 2

Nearby Cities: Cascade, Council, McCall, Riggins

West-Central Idaho

Public Lands: Boise National Forest, Payette National Forest


Idaho Hot Springs Region 3

Nearby Cities: Challis, North Fork, Salmon

East-Central Idaho

Public Lands: Salmon-Challis National Forests

Idaho Hot Springs Region 4

Nearby Cities: Boise, Fairfield, Garden Valley, Lowman, Mountain Home, Stanley, Sun Valley

South-Central Idaho

Public Lands: Boise National Forest, Sawtooth National Forest, Sawtooth Wilderness, Sawtooth National Recreation Area (SNRA)

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