Some of the principal affluents are the Vinchina and Jachal, or Zanjon, which flow into the Vermejo, the Patos, which flows into the San Juan, and the Mendoza, Tunuyan and Diamante which flow into the Desaguadero, all of these being Andean snow-fed rivers.
In the extreme southern part of the state, the Lagoa Mirim empties into the Lagoa dos Patos through a navigable channel 614 m.
The two largest lakes of this class are on the coast of Rio Grande do Sul and are known as the Lagoa dos Patos and Lagoa Mirim.
The Lagoa dos Patos is about 124 m.
At Pelotas, a sea-level port on Lagoa dos Patos, the mean annual temperature is about 63Â° and the annual rainfall about 42 in.
How would you define patos? Add your definition here.