Hanson Number 2 Reservoir is a reservoir located in Niobrara County, Wyoming. It appears on the Threemile Butte USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 3,900.92 feet (1,189.00 m) above sea level. The nearest populated place is Morrisey, approximately 5.9 miles to the NE.