Black Sea Reservoir   Be the first to submit input for Black Sea Reservoir. If you have info on Black Sea Reservoir, Rosebud County, Montana please submit it here to improve this web site.          These outdoors activities are available near Black Sea Reservoir.   Public Lands Near Black Sea Reservoir: Little Bighorn Battlefield National Monument, Crow Agency - MT, 49 miles away   Hotels Near Black Sea Reservoir: Super 8 Hardin, Hardin, 48 miles away Rodeway Inn Hardin, Hardin, 48 miles away   Ski Areas Near Black Sea Reservoir: Antelope Butte, Wyoming, 85 miles away       1000 foot drop, 3 lifts, 18 runs