Black Mountain Reservoir   Be the first to submit input for Black Mountain Reservoir. If you have info on Black Mountain Reservoir, Washakie County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Black Mountain Reservoir.   Public Lands Near Black Mountain Reservoir: Hot Springs State Park, Wyoming, 28 miles away Boysen State Park, Wyoming, 39 miles away   Hotels Near Black Mountain Reservoir: Comfort Inn Worland, Worland, 21 miles away Super 8 Worland, Worland, 21 miles away Days Inn Worland, Worland, 23 miles away BEST WESTERN PLUS Plaza Hotel, Thermopolis, 34 miles away Days Inn Thermopolis, Thermopolis, 34 miles away