Thomas Reservoir   Be the first to submit input for Thomas Reservoir. If you have info on Thomas Reservoir, Weston County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Thomas Reservoir.   Public Lands Near Thomas Reservoir: Keyhole State Park, Wyoming, 15 miles away Devils Tower National Monument, Devils Tower - WY, 27 miles away   Marinas On or Near Thomas Reservoir: Keyhole Marina & Motel, Moorcroft, 18 miles away   Camp Grounds Near Thomas Reservoir: Rangeland Court Motel and RV Park, Moorcroft, 6 miles away   Hotels Near Thomas Reservoir: Settle Inn & Suites Gillette N, Gillette, 32 miles away Econo Lodge Gillette, Gillette, 34 miles away Days Inn Gillette, Gillette, 35 miles away Holiday Inn Express Hotel & Suites GILLETTE, Gillette, 35 miles away Candlewood Suites GILLETTE, Gillette, 35 miles away