- Lagoa dos Patos
Lagoa dos Patos (English: "Lagoon of the Ducks") is the second largest
lagoon inLatin America . It is located in the state ofRio Grande do Sul , southernBrazil . It is 174 miles (280 km) long, has a maximum width of 44 miles (70 km), and a total area of 3,803 sq. mi. (9,850 km). It is separated from theAtlantic Ocean by asandbar about 5 miles (8 kilometers) wide. The navigableSão Gonçalo Channel , which enters Lagoa dos Patos near the town ofPelotas , connects Lagoa dos Patos toLagoa Mirim to the south. The Rio Grande, at the south end of Lagoa dos Patos, forms the outlet to the Atlantic.This lagoon is evidently the remains of an ancient depression in the coastline shut in by sand beaches built up by the combined action of wind and current. It is at sea level, but its waters are affected by the tides and are
brackish only a short distance above the Rio Grande outlet.The lagoon's largest and most fertile island is the
Ilha dos Marinheiros , which is located near the eastern shore. The island is geopolitically part of the municipality of Rio Grande.Towns and cities on coast
*Rio Grande
*Pelotas
*São José do Norte
*São Lourenço do Sul
*Tapes
*Porto Alegre
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