The Araguari River (Portuguese, Rio Araguari, also called Rio das Velhas) is a river of Minas Gerais state in southeastern Brazil. It is a tributary of the Paranaíba River, which it joins in the reservoir created by Itumbiara Dam.
See also Tributaries of the Río de la Plata
References
Map from Ministry of Transport Rand McNally, The New International Atlas, 1993.