Walker Reservoir   Be the first to submit input for Walker Reservoir. If you have info on Walker Reservoir, Niobrara County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Walker Reservoir.   Public Lands Near Walker Reservoir: Agate Fossil Beds National Monument, Harrison - NE, 49 miles away Jewel Cave National Monument, Custer - SD, 61 miles away Wind Cave National Park, Hot Springs - SD, 65 miles away   Hotels Near Walker Reservoir: Americas Best Value Inn, Lusk, 27 miles away Best Western Pioneer, Lusk, 28 miles away Auto Inn Motel, Newcastle, 30 miles away Fountain Inn, Newcastle, 32 miles away