Sadie Hanson Reservoir   Be the first to submit input for Sadie Hanson Reservoir. If you have info on Sadie Hanson Reservoir, Niobrara County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Sadie Hanson Reservoir.   Public Lands Near Sadie Hanson Reservoir: Agate Fossil Beds National Monument, Harrison - NE, 32 miles away Wind Cave National Park, Hot Springs - SD, 59 miles away Jewel Cave National Monument, Custer - SD, 61 miles away   Hotels Near Sadie Hanson Reservoir: Americas Best Value Inn, Lusk, 17 miles away Best Western Pioneer, Lusk, 17 miles away Auto Inn Motel, Newcastle, 44 miles away Fountain Inn, Newcastle, 44 miles away Americas Best Value Inn, Torrington, 47 miles away