Sherwin Reservoir   Be the first to submit input for Sherwin Reservoir. If you have info on Sherwin Reservoir, Niobrara County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Sherwin Reservoir.   Public Lands Near Sherwin Reservoir: Devils Tower National Monument, Devils Tower - WY, 58 miles away   Hotels Near Sherwin Reservoir: Americas Best Value Inn, Lusk, 47 miles away Best Western Pioneer, Lusk, 47 miles away Auto Inn Motel, Newcastle, 48 miles away