Swift River (Ware River tributary)

General data
- Water type: River
- Progression: Ware River -> Chicopee River -> Connecticut River -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: North America
- Countries: United States of America
Description
The Swift River is a river in Massachusetts, United States. It has an east branch, a west branch, and a middle branch. It is a tributary of the Ware River. Part of it is dammed in the Swift River Valley to form the Quabbin Reservoir serving Boston and Eastern Massachusetts. Several towns were lost when the reservoir was constructed and filled. Swift River Reservation is located along the east branch.