Sepulcher Mountain – 12.1mi / 19.5km Perched high above Mammoth Hot Springs and Gardiner, MT, Sepulcher Mountain provides great panoramic views. This loop starts at the Beaver Ponds trailhead next to the otherworldly, travertine landscape of the Mammoth Terrace. The trail enters the trees and climbs in a mature forest. The Beaver Ponds Trail splits off […]