Greenwood Lake

General data
- Water type: Artificial lake
- Progression: Wanaque River -> Pequannock River -> Pompton River -> Passaic River -> Newark Bay -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Description
Greenwood Lake is an interstate lake approximately 11 km long, straddling the border of New York and New Jersey. It is located in the Town of Warwick and the Village of Greenwood Lake, New York (in Orange County) and West Milford, New Jersey (in Passaic County). It is the source of the Wanaque River.