Sao Goncalo Channel
General data
- Name: Sao Goncalo Channel
- Water system: Lagoa dos Patos
- Water type: Canal
- Progression: Lagoa dos Patos -> Rio Grande Channel -> Atlantic Ocean -> Planet Earth
- Climates: Tropical
- Continents: South America
- Countries: Brazil, Uruguay
The São Gonçalo Channel (Portuguese pronunciation: [sɐ̃w ɡõˈsalu]) is a navigable channel connecting two large coastal lagoons, Lagoa Mirim and Lagoa dos Patos, in the state of Rio Grande do Sul in southern Brazil. At its eastern end, it separates the municipalities of Rio Grande to the south from Pelotas to the north.