Gardner Reservoir   Be the first to submit input for Gardner Reservoir. If you have info on Gardner Reservoir, Dundy County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Gardner Reservoir.   Hotels Near Gardner Reservoir: Super 8 Colby, Colby, 47 miles away Days Inn Colby, Colby, 47 miles away Quality Inn Colby, Colby, 47 miles away Holiday Inn Express Hotel & Suites COLBY, Colby, 47 miles away Sleep Inn & Suites Colby, Colby, 47 miles away