Marion River
General data
- Name: Marion River
- Water system: St. Lawrence River
- Water type: River
- Progression: Raquette Lake -> Raquette River -> St. Lawrence River -> Gulf of St. Lawrence -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Marion River is a 4.5-mile (7.2 km) river that connects Blue Mountain Lake via Utowana Lake and Eagle Lake (the Eckford chain) to Raquette Lake in Hamilton County in the central Adirondacks.
New York State has classified the Marion as a Scenic River.