Big River (New Hampshire)

General data
- Name: Big River (New Hampshire)
- Water system: Merrimack River
- Water type: River
- Progression: Suncook River -> Merrimack River -> Gulf of Maine -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Description
The Big River is a 14.9-mile-long (24.0 km) river located in central New Hampshire in the United States. It is a tributary of the Suncook River, part of the Merrimack River (and therefore Gulf of Maine) watershed.