Cebollati River
General data
- Name: Cebollati River
- Water system: Lagoa dos Patos
- Water type: River
- Progression: Lagoon Mirim -> Sao Goncalo Channel -> Lagoa dos Patos -> Rio Grande Channel -> Atlantic Ocean -> Planet Earth
- Climates: Tropical
- Continents: South America
- Countries: Uruguay
The Cebollatí River is a Uruguayan river that rises in Cuchilla Grande (Big Ridge), flows southwest to northeast and forms a border between Treinta y Tres and Rocha. At roughly 235 kilometres, it is one of the longest rivers in Uruguay.