Bar C Reservoir   Be the first to submit input for Bar C Reservoir. If you have info on Bar C Reservoir, Carter County, Montana please submit it here to improve this web site.          These outdoors activities are available near Bar C Reservoir.   Public Lands Near Bar C Reservoir: Medicine Rocks State Park, Montana, 21 miles away Devils Tower National Monument, Devils Tower - WY, 70 miles away   Camp Grounds Near Bar C Reservoir: Lantis Spring Campground, Carter County, 8 miles away   Ski Areas Near Bar C Reservoir: Terry Peak, South Dakota, 75 miles away       1100 foot drop, 6 lifts, 24 runs