Blue Joint Hot Springs is a thermal spring in Ravalli County, Montana, set deep within the Rocky Mountains. The remote site offers both indoor and outdoor bathing amid a well-preserved mountain environment.
Insider tip — Blue Joint Hot Springs in the Bitterroot Mountains, Ravalli County, Montana. Remote wilderness hot spring in the Selway-Bitterroot Wilderness area. Free backcountry soaking in Montana's wild mountain landscape. Named for the blue-joint grass (Calamagrostis canadensis) common in the area. 4WD access required.