Boreas River
General data
- Name: Boreas River
- Water system: Hudson River
- Water type: River
- Progression: Hudson River -> Upper New York Bay -> Lower New York Bay -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Boreas River is a river in Essex County and Hamilton County in the U.S. State of New York. Boreas River begins at Boreas Ponds north-northeast of the Hamlet of Boreas River and flows southeastward before converging with the Hudson River southeast of Forks Mountain.