Hot springs in Montana

Montana's hot springs rise where the northern Rockies are still restless: geothermal water, heated deep underground, finds its way up along fault lines and pours out in valleys from the Bitterroots to the Hi-Line. The result is one of the most soakable states in the West — a mix of grand historic bathhouses, family-run resorts, and a handful of genuinely wild pools, all listed here only after verifying they are actually operating.

The southwest holds the densest cluster. Around Bozeman, Butte, and Anaconda you'll find day-use favorites like Norris and Bozeman Hot Springs, the big full-service Fairmont resort, the National Register-listed Boulder Hot Springs inn, and the free primitive pools of Gigantic Warm Spring off Warm Springs Creek Road. The Big Hole and Bitterroot valleys add Jackson and Lost Trail, while Paradise Valley pairs Chico's century-old resort with Yellowstone Hot Springs near Gardiner, minutes from the park's north entrance.

The northwest has its own soaking capital: the town of Hot Springs, on the Flathead Indian Reservation, where Symes' 1930 Mission-style hotel, the clothing-optional Wild Horse retreat, Alameda's private-bath hideaway, and the honor-box community pools of Big Medicine and Rose's Plunge sit within a few blocks of each other. Quinn's anchors the Clark Fork canyon near Paradise and Lolo serves the Missoula area, while far to the northeast Sleeping Buffalo has welcomed bathers off US-2 near Saco since the 1920s, and Helena and White Sulphur Springs cover the center of the state.

A practical warning, earned the hard way: Montana springs open and close. In the last year alone, Nimrod lost public access when its landowner withdrew permission, Potosi closed, and Elkhorn suspended operations for the Sand Creek Fire. Every listing below was re-verified as operating in 2026 — but call ahead before you drive, confirm day-use hours and prices, and treat wild soaks with backcountry caution.