Lajeado Reservoir

General data
- Name: Lajeado Reservoir
- Water system: Tocantins river
- Water type: Artificial lake
- Progression: Tocantins river -> Atlantic Ocean -> Planet Earth
- Climates: Tropical
- Continents: South America
- Countries: Brazil
Description
The Lajeado Reservoir is a large body of water formed by the Lajeado Hydropower Dam on the Tocantins River in the state of Tocantins, Brazil, completing in 2002. It serves as a major feature in the upper-middle Tocantins River basin and has been the focus of scientific studies examining its aquatic macrophytes and ichthyofauna.