Hart Reservoir   Be the first to submit input for Hart Reservoir. If you have info on Hart Reservoir, Campbell County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Hart Reservoir.   Hotels Near Hart Reservoir: Wright Hotel, Wright, 19 miles away Best Western Tower West Lodge, Gillette, 21 miles away Super 8 Gillette, Gillette, 21 miles away Hampton Inn Gillette, Gillette, 21 miles away Comfort Inn & Suites, Gillette, 21 miles away