Cochran Reservoir   Be the first to submit input for Cochran Reservoir. If you have info on Cochran Reservoir, Carter County, Montana please submit it here to improve this web site.          These outdoors activities are available near Cochran Reservoir.   Public Lands Near Cochran Reservoir: Keyhole State Park, Wyoming, 38 miles away Devils Tower National Monument, Devils Tower - WY, 24 miles away   Hotels Near Cochran Reservoir: Best Western Devils Tower Inn, Hulett, 21 miles away Rodeway Inn Sundance Mountain Inn, Sundance, 40 miles away Best Western Inn At Sundance, Sundance, 41 miles away   Ski Areas Near Cochran Reservoir: Terry Peak, South Dakota, 70 miles away       1100 foot drop, 6 lifts, 24 runs