Cottage Grove Lake
General data
- Name: Cottage Grove Lake
- Water system: Columbia River
- Water type: Artificial lake
- Progression: Coast Fork Willamette River -> Willamette River -> Columbia River -> Columbia River Estuary -> Pacific Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Cottage Grove Lake is a reservoir on the Coast Fork Willamette River in Lane County, Oregon, United States.
The lake is about 3 miles (4.8 km) long.
