Lake Cochichewick

General data
- Name: Lake Cochichewick
- Water system: Merrimack River
- Water type: Artificial lake
- Progression: Cochichewick River -> Merrimack River -> Gulf of Maine -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Description
Lake Cochichewick is a lake in North Andover, Massachusetts that collects water from Weir Hill and other local uplands. Its overflow drains into the Cochichewick River, which joins the Merrimack. Brooks School, a private co-educational prep school, is located on the shores of the lake.