Blacktail Reservoir   Be the first to submit input for Blacktail Reservoir. If you have info on Blacktail Reservoir, Rosebud County, Montana please submit it here to improve this web site.          These outdoors activities are available near Blacktail Reservoir.   Public Lands Near Blacktail Reservoir: Little Bighorn Battlefield National Monument, Crow Agency - MT, 56 miles away   Hotels Near Blacktail Reservoir: Super 8 Colstrip, Colstrip, 46 miles away Lakeview Bed & Breakfast, Colstrip, 46 miles away   Ski Areas Near Blacktail Reservoir: Antelope Butte, Wyoming, 87 miles away       1000 foot drop, 3 lifts, 18 runs