In Eastern Idaho’s natural hot springs. Our region’s volcanic heritage has blessed us with numerous thermal features ranging from developed resorts to secluded backcountry pools. Heise Hot Springs offers a family-friendly experience with multiple pools and amenities, while Green Canyon Hot Springs provides a more rustic soaking experience in a spectacular mountain setting. The historic Lava Hot Springs features world-famous mineral pools with temperatures ranging from comfortable to piping hot. Yellowstone Hot Springs in nearby Montana offers mineral-rich waters with stunning mountain views. Astoria Hotsprings on the banks of the Snake River, just near the border of Wyoming and Idaho, offers six soaking pools.  A perfect way to soothe tired muscles after days filled with hiking, biking, or skiing adventures.