Donna Reservoir   Be the first to submit input for Donna Reservoir. If you have info on Donna Reservoir, Campbell County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Donna Reservoir.   Public Lands Near Donna Reservoir: Keyhole State Park, Wyoming, 40 miles away Devils Tower National Monument, Devils Tower - WY, 30 miles away   Hotels Near Donna 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