Mates Reservoir   Be the first to submit input for Mates Reservoir. If you have info on Mates Reservoir, Sheridan County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Mates Reservoir.   Public Lands Near Mates Reservoir: Rosebud Battlefield State Park, Montana, 21 miles away Bighorn National Forest, Wyoming, 22 miles away Tongue River Reservoir State Park, Montana, 27 miles away Little Bighorn Battlefield National Monument, Crow Agency - MT, 40 miles away Bighorn Canyon National Recreation Area, Fort Smith - MT, 48 miles away   Camp Grounds Near Mates Reservoir: Foothills Motel and Campground, Dayton, 8 miles away   Hotels Near Mates Reservoir: Super 8 Sheridan, Sheridan, 15 miles away Rodeway Inn & Suites Sheridan, Sheridan, 16 miles away Alamo Motel, Sheridan, 16 miles away Best Western Sheridan Center, Sheridan, 16 miles away Americas Best Value Inn, Sheridan, 16 miles away   Ski Areas Near Mates Reservoir: Antelope Butte, Wyoming, 11 miles away       1000 foot drop, 3 lifts, 18 runs   Whitewater Near Mates Reservoir: Tongue River, SheridanCounty, 7 miles away       Class III+(IV) - -blank- miles long (Tongue Canyon trailhead to Dayton) Tongue River, SheridanCounty, 16 miles away       Class IV-V+ - 2.34 miles long (Sheep Creek to Tongue Canyon trailhead)