Ellis Reservoir   Be the first to submit input for Ellis Reservoir. If you have info on Ellis Reservoir, Natrona County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Ellis Reservoir.   Lakes Near Ellis Reservoir: Firnekas Reservoir, Natrona County, 7 miles away Chocolate Reservoir, Natrona County, 8 miles away   Hotels Near Ellis Reservoir: CASPER HILTON GARDEN INN, Casper, 40 miles away Best Western Ramkota Hotel, Casper, 41 miles away Quality Inn & Suites, Casper, 41 miles away Hampton Inn Suites Casper, Casper, 41 miles away La Quinta Inn Casper, Casper, 41 miles away