Hole-in-the-Ground Tank is a reservoir located in Pecos County, Texas. It appears on the Rock House Draw NW USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 3,280.28 feet (999.83 m) above sea level. The nearest populated place is Alamo Ranchettes Colonia, approximately 15.6 miles to the NW.