This island range in southern Montana, north of the Absaroka and Beartooth Ranges, has a dedicated following of outdoor enthusiasts. There are about thirty peaks over 10,000 feet in elevation, most of them unnamed. The central, high elevation areas contain many alpine lakes, raging creeks, and small glaciers. The trails on the east side of the range are open to foot and horse travel only. On the west and north sides of the range there are many trails open to mountain bikes, and also several trails open to motorized travel.