Diamond Lake   Be the first to submit input for Diamond Lake. If you have info on Diamond Lake, Sand Hills, Sheridan County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Diamond Lake.   Hotels Near Diamond Lake: Alliance Hotel and Suites, Alliance, 30 miles away Holiday Inn Express ALLIANCE, Alliance, 30 miles away Patriot Inn, Hemingford, 41 miles away Americas Best Value Inn Chadron, Chadron, 46 miles away Best Western West Hills Inn, Chadron, 47 miles away