Keyhole Reservoir   Be the first to submit input for Keyhole Reservoir. If you have info on Keyhole Reservoir, Crook County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Keyhole Reservoir.   Public Lands Near Keyhole Reservoir: Keyhole State Park, Wyoming, 4 miles away Devils Tower National Monument, Devils Tower - WY, 14 miles away   Marinas On or Near Keyhole Reservoir: Keyhole Marina & Motel, Moorcroft, 3 miles away   Hotels Near Keyhole Reservoir: Best Western Devils Tower Inn, Hulett, 19 miles away Rodeway Inn Sundance Mountain Inn, Sundance, 28 miles away Best Western Inn At Sundance, Sundance, 30 miles away Auto Inn Motel, Newcastle, 46 miles away Settle Inn & Suites Gillette N, Gillette, 47 miles away