Cheyenne Reservoir   Be the first to submit input for Cheyenne Reservoir. If you have info on Cheyenne Reservoir, Carter County, Montana please submit it here to improve this web site.          These outdoors activities are available near Cheyenne Reservoir.   Public Lands Near Cheyenne Reservoir: Medicine Rocks State Park, Montana, 19 miles away Devils Tower National Monument, Devils Tower - WY, 54 miles away   Camp Grounds Near Cheyenne Reservoir: Ekalaka Park Campground, Carter County, 6 miles away   Hotels Near Cheyenne Reservoir: Best Western Devils Tower Inn, Hulett, 49 miles away   Ski Areas Near Cheyenne Reservoir: Terry Peak, South Dakota, 82 miles away       1100 foot drop, 6 lifts, 24 runs