Loon Creek Hot Spring is located in Lemhi County, Idaho. This thermal spring is enjoyed in an open-air pool or through wild bathing, along the creek that gives it its name.
Insider tip — Loon Creek Hot Spring — remote geothermal spring in the Frank Church-River of No Return Wilderness, Lemhi County, Idaho. One of the USA's largest designated wilderness areas. Accessible only by floatplane, horseback, or multi-day backcountry hiking. Wild and pristine geothermal soaking in the heart of central Idaho.