This is a short section of the type of walls that surround the main courtyard of the fort that you look at when entering the Entrance (Fort Constitution 1). Mid 1700's the fort appears to be part of a much larger complex now separated by a Coast Guard instillation. It remains in complete disrepair. — This is a short section of the type of walls that surround the main courtyard of the fort that you look at when entering the Entrance (Fort Constitution 1). Mid 1700's the fort appears to be part of a much larger complex now separated by a Coast Guard instillation. It remains in complete disrepair. Kenneth Dupont · CC BY-SA 4.0

Fort Constitution Historic Site

State Historic Site · New Hampshire · New Hampshire Division of Parks and Recreation

2 acres

Plan your visit

Know before you go

Address: 25 Wentworth Road, New Castle, NH, 03854
Official site: www.nhstateparks.org
Managed by: New Hampshire Division of Parks and Recreation

Getting there

25 Wentworth Road, New Castle, NH, 03854

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What's here

Activities & features: Historic Feature · Picnic Area

Photos

Nearby parks

Sources: State agency, Wikimedia Commons / editorial · updated 2026-08-23