Gary Reservoir   Be the first to submit input for Gary Reservoir. If you have info on Gary Reservoir, Campbell County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Gary Reservoir.   Public Lands Near Gary Reservoir: Devils Tower National Monument, Devils Tower - WY, 31 miles away   Hotels Near Gary Reservoir: Settle Inn & Suites Gillette N, Gillette, 37 miles away Econo Lodge Gillette, Gillette, 37 miles away Howard Johnson Inn Gillette, Gillette, 37 miles away Americas Best Value Inn, Gillette, 38 miles away Days Inn Gillette, Gillette, 38 miles away