Vallecitos de los Chamisos Tank is a reservoir located in Rio Arriba County, New Mexico. It appears on the Vallecitos USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 8,012.66 feet (2,442.26 m) above sea level. The nearest populated place is Vallecitos, approximately 1.5 miles to the WNW.