Tiernan Reservoir   Be the first to submit input for Tiernan Reservoir. If you have info on Tiernan Reservoir, Box Butte County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Tiernan Reservoir.   Public Lands Near Tiernan Reservoir: Chadron State Park, Nebraska, 37 miles away Scotts Bluff National Monument, Gering - NE, 40 miles away Agate Fossil Beds National Monument, Harrison - NE, 58 miles away   Hotels Near Tiernan Reservoir: Patriot Inn, Hemingford, 16 miles away Holiday Inn Express ALLIANCE, Alliance, 20 miles away Alliance Hotel and Suites, Alliance, 20 miles away Days Inn Scottsbluff, Scottsbluff, 33 miles away Comfort Inn Scottsbluff, Scottsbluff, 33 miles away