Piscataqua River is a tidal river between Portsmouth, New Hampshire and Kittery, Maine, joining the Gulf of Maine and the Atlantic Ocean at Portsmouth Harbor. The tide is mixed semidiurnal, with a mean range of 8.63 ft (2.63 m) at the Fort Point, NH station.
- Type
- Tidal river
- Location
- New Hampshire, United States
- Setting
- Between Portsmouth, New Hampshire and Kittery, Maine, joining the Gulf of Maine and the Atlantic Ocean at Portsmouth Harbor
- Tidal range
- The tide is mixed semidiurnal, with a mean range of 8.63 ft (2.63 m) at the Fort Point, NH station.
- Notable
- Portsmouth Naval Shipyard on Seavey Island, established in 1800, is the oldest continuously operating shipyard in the US Navy (US Navy).
