3 springs within 40 miles
Hot springs near Polaris
3 hot springs are within 40 miles of Polaris: the closest is Elkhorn Hot Springs (under 1 mi), the hottest is Jackson Hot Springs Lodge (up to 106°F), and the lowest listed adult price is Jackson Hot Springs Lodge ($12). Distances are straight-line; driving distances in the mountains can be much longer.
Elkhorn Hot Springs
A remote resort in the Pioneer Mountains of the Beaverhead-Deerlodge National Forest, about 40 miles northwest of Dillon, with two outdoor mineral pools and a Grecian sauna. Lodging includes rustic and modern cabins and lodge rooms, and groomed cross-country ski trails start nearby. After closing during the 2026 Sand Creek Fire it has reopened for pools only, Thursday through Sunday.
Jackson Hot Springs Lodge
A rustic lodge in the Big Hole Valley town of Jackson with one outdoor hot springs pool at 100-106F that the lodge says uses no chemicals. Rooms, sleeper cabins and rental houses come with swim passes, and the pool is also open to the public. The pool, restaurant and lodge are closed Monday through Wednesday.
Sharkey Hot Springs
A BLM-developed site southeast of Salmon with two large concrete soaking pools filled by untreated natural spring water. It has two heated changing rooms, vault toilets, a fire pit with seating and an interpretive kiosk. Visitors 16 and older pay a use fee through a Recreation.gov pass bought before arrival.