Walther Reservoir   Be the first to submit input for Walther Reservoir. If you have info on Walther Reservoir, Frontier County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Walther Reservoir.   Hotels Near Walther Reservoir: Comfort Suites Gothenburg, Gothenburg, 19 miles away Super 8 Gothenburg, Gothenburg, 19 miles away Rodeway Inn Cozad, Cozad, 26 miles away Holiday Inn Express MCCOOK (US 6/34 & HWY 83), Mccook, 31 miles away Days Inn McCook, Mccook, 31 miles away