Dwinell Reservoir   Be the first to submit input for Dwinell Reservoir. If you have info on Dwinell Reservoir, Frontier County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Dwinell Reservoir.   Public Lands Near Dwinell Reservoir: Prairie Dog State Park, Kansas, 34 miles away   Marinas On or Near Dwinell Reservoir: Lakeshore Marina Resort, Elwood, 12 miles away JJs Marina and Campgrounds, Dawson County, 16 miles away   Hotels Near Dwinell Reservoir: Rodeway Inn Cozad, Cozad, 20 miles away Super 8 Lexington, Lexington, 24 miles away Comfort Inn Lexington, Lexington, 24 miles away Holiday Inn Express Hotel & Suites LEXINGTON, Lexington, 24 miles away Econo Lodge Lexington, Lexington, 24 miles away