San Mateo Río Hondo
From Wikipedia, the free encyclopedia
San Mateo Rio Hondo is the name of a municipality & its namesake town in the district of Miahuatlán, state of Oaxaca, Mexico. Population is 3,495. Surface area is 81.96 square kilometers, and it can be found 16º 09’ degrees of latitude north and 96º 27’ of longitude west. It is 2,300 meters above sea level. Known in the colonial era as Xaltengo in nahuatl and Yegoyoxi in zapotec, both names meaning "river of sand."
Source: http://www.e-local.gob.mx/work/templates/enciclo/oaxaca/municipios/20254a.htm
