Río Seco (Argentina) From Wikipedia the free encyclopedia River in ArgentinaRío SecoLocationCountryArgentina Río Seco (Spanish for "dry river") is a river of Argentina. See also[edit] List of rivers of Argentina References[edit] Rand McNally, The New International Atlas, 1993. GEOnet Names Server This article about a place in Salta Province, Argentina is a stub. You can help Wikipedia by expanding it.vte This article related to a river in Argentina is a stub. You can help Wikipedia by expanding it.vte