Pine Flats Hot Springs Soakable

Pine Flats Hot Springs reads 138°F at the source (NCEI, historical reading); the pools people soak in usually run cooler than the source. Managed by the Boise National Forest (checked 2026-08-19).

Cool Warm Hot Boiling-class 138°F

138°F / 59°C

Hot range at the source — hotter than a hot tub

Reading from the NCEI Thermal Springs List (historical reading, 1981 compilation). Source temperature — lower pools usually run cooler.

Water temperatures change with flow and season — test before entering, and never submerge your head in warm natural water. CDC guidance on Naegleria fowleri.

Access

From Pine Flats Campground in the Lowman area, a quarter-mile nature trail leads to a natural hot-springs soaking pool on the riverside. The campground runs late May to late September, $15 a night for a single site.

Trailhead: Pine Flats Campground nature trail

Access notes read from the manager's own page, checked 2026-08-19.

Check current conditions with the Boise National Forest

Nearby springs

Identity, coordinates, and temperature quoted from the NCEI Thermal Springs List (historical reading, 1981 compilation).