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Family-friendly with restrooms and amenities. Day-use fees typically apply.
Located along the South Fork Payette River at MP 77. Features numerous pools and a steaming waterfall. Currently DAY USE ONLY. Gates may be locked in winter (walk-in access allowed).
💡 The best pool is behind the rock wall. Pets must be leashed and kept away from pools. Rocks can be slick. No potable water or trash service - Pack it out!
Historic rustic resort near McCall with a large wooden pool fed by natural hot springs. Cabins available for overnight stays.
World-famous sulfur-free mineral pools ranging from 102°F to 112°F. Features five gravel/rock bottom outdoor pools, dressing rooms, and heated decks.
💡 No alcohol or glass allowed. Weekends are busy; Friday-Sunday rates are higher ($12). The water is sulfur-free (no smell!).
Eastern Idaho resort with hot pools, water slides, and camping. Popular family destination near Idaho Falls.
Historic lodge and hot springs in a remote mountain setting. Pool and private tubs available with rustic cabin accommodations.
Developed Forest Service hot springs with a concrete pool. Located at Baumgartner Campground in the Sawtooth National Forest.
Historic resort near Boise operating since 1881. Indoor and outdoor pools with picnic areas and camping available.
Developed hot springs near Donnelly with multiple pools at different temperatures. Private resort with day-use fees.
💡 pH ~9 (Alkaline/Soft). 6 tiered pools ranging from 85°F to 110°F. Cash only.
Family-friendly hot springs resort near Downey with swimming pool, water slides, and camping facilities.
Boutique resort with natural hot springs pools, wellness programs, and eco-friendly accommodations in southeastern Idaho.
Hot springs near Bear Lake with indoor and outdoor pools. Popular with visitors to the Bear Lake area.
Developed hot springs near Salmon with a swimming pool and soaking areas. Popular local recreation spot.
Upscale resort along the Salmon River with natural hot springs pools, gourmet dining, and luxury accommodations.
Historic private hot springs near Ketchum with pool facilities.
Developed campground with hot springs in Garden Valley. Camping and day-use available.
Private resort hot springs near Lowman with lodging and pool facilities.
Historic bathhouse featuring a large geothermal swimming pool and hot tubs. Clear, odorless water (pH 9.5) shared with Miracle Hot Springs.
💡 pH 9.5 (Alkaline). Great for swimming in summer, quiet soaks in winter.
Hot springs resort near Twin Falls with pool and RV facilities.
Resort with Olympic-sized natural mineral water pool near Hollister.
Resort with hot pool and RV camping near Rexburg. Family-friendly facilities.
Resort with hot pool near New Meadows. Day-use and camping available.
Resort in the Snake River Canyon near Buhl. Features geothermal pools (98-105°F), private soaking tubs, and overnight yurts and domes.
Family-friendly resort near Rexburg. Multiple pools (85-115°F) including a cold plunge. RV and tent camping available. Known for nostalgic 1960s charm.
Family-run resort along the Salmon River. Indoor and outdoor pools with stunning mountain views. RV park and camping available.
Family-friendly pools near City of Rocks National Reserve in Almo. Crystal clear, mineral-rich water without strong sulfur smell. Great post-climbing soak.
Premium resort nestled in the Boise National Forest. Formerly 'Warm Springs Resort', it features a large geothermal pool, hot tub, steam room, and poolside service.
💡 Reservations mandatory on weekends. 18+ only days are Wed/Thu/Fri. Offers massage yurts and poolside dining.
Snake River resort in Hagerman with mineral pools, kayak rentals, paddleboards, and river boat tours. Scenic views of Thousand Springs area.
Developed facility with multiple outdoor pools and private soaking domes. Continuous flow-through system (pools drained and refilled daily). High mineral content.
💡 pH 9.6 (Very Alkaline) – water feels soft and silky. Source is 140°F!