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Fort Stark & Fort Constitution
Fort Stark
Fort Stark State Historic Site is located on a peninsula historically called Jerry's Point on the southeast corner of New Castle Island. It overlooks the Piscataqua River, Little Harbor and the Atlantic Ocean. Fort Stark was named in honor of John Stark, commander of New Hampshire forces at the Battle of Bennington (1777). It is one of seven forts built to protect Portsmouth Harbor. The others in New Hampshire are: Fort Washington, Fort William and Mary (Constitution), and Fort Dearborn (Odiorne Point State Park), and in Maine: Fort Sullivan, Fort McClary and Fort Foster.
The gate to the park is open from Memorial Day through Columbus Day, with parking available from 8 am to 8 pm. The gate to the parking lot is locked at 8 pm.  
The white building within the fort is off-limits to all park guests due to unprotected stairs, high walls, rough ground, and the results of years of neglect and vandalism.  The white building is surrounded by a large barbed-wire fence and posted with ‘NO TRESPASSING” signs.  Trespassers will be arrested.  
Fort Constitution (Fmr. Fort William and Mary)
Fort Constitution State Historic Site is located on a peninsula on the northeast corner of New Castle Island.  It overlooks both the Piscataqua River and the Atlantic Ocean.

Fort Constitution is located on the grounds of US Coast Guard Station, Portsmouth Harbor.  In order to reach the fort, you must walk along the blue line that begins at the entrance to the base.  You must remain on the blue line as this is an active military base with restricted areas.
Parking is available in designated parking spaces outside of the US Coast Guard Station.  
The park is open from 8 am to 4 pm.  
For more information, please visit the NH State Parks website.


Alcoholic beverages, motorized vehicles, and dogs are prohibited from the State Park at all times.  



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