Pronghorn Reservoir   Be the first to submit input for Pronghorn Reservoir. If you have info on Pronghorn Reservoir, Niobrara County, Wyoming please submit it here to improve this web site.          These outdoors activities are available near Pronghorn Reservoir.   Public Lands Near Pronghorn Reservoir: Agate Fossil Beds National Monument, Harrison - NE, 53 miles away Jewel Cave National Monument, Custer - SD, 69 miles away   Hotels Near Pronghorn Reservoir: Americas Best Value Inn, Lusk, 24 miles away Best Western Pioneer, Lusk, 24 miles away Auto Inn Motel, Newcastle, 37 miles away Fountain Inn, Newcastle, 39 miles away