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Trip Planner USA  /  New Hampshire  /  New Castle

New Castle

Lighthouses · State Parks · Parks
New Castle is a town in Rockingham County, New Hampshire, United States. The population was 968 at the 2010 census. It is the smallest and easternmost town in New Hampshire, and the only one located entirely on islands. It is home to Fort Constitution Historic Site, Fort Stark Historic Site, and the New Castle Common, a 31acre recreation area on the Atlantic Ocean. New Castle is also home to a United States Coast Guard station, as well as the historic Wentworth by the Sea hotel.HistoryThe main island on which the town sits is the largest of several at the mouth of the Piscataqua River and was originally called Great Island. Settled in 1623, an earthwork defense was built on Fort Point which would evolve into Fort William and Mary (rebuilt in 1808 as Fort Constitution). Chartered in 1679 as a parish of Portsmouth, it was incorporated in 1693 and named New Castle after the fort. Until 1719 it included Rye, then called Sandy Beach. The principal industries were trade, tavern-keeping and fishing. There was also agriculture, using the abundant seaweed as fertilizer.
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Popular things to do in New Castle

Portsmouth Harbor Lighthouse ©
Portsmouth Harbor Lighthouse
Duration: 1 hour
Great Island Common ©
Great Island Common
Duration: 2 hours
Fort Constitution State Historic Site
State Park
Fort Constitution State Historic Site
Duration: 2 hours
Fort Stark State Historic Site ©
Historic Site
Fort Stark State Historic Site
Duration: 1h 30 min

Side trips from New Castle

Dolphin / Whale Watching
Dolphin & Whale Watching Rye
Duration: 2 hours
Odiorne Point State Park ©
State Park
Odiorne Point State Park Rye
Duration: 2 hours
Wallis Sands State Beach ©
Wallis Sands State Beach Rye
Duration: 2 hours

Places to visit with New Castle

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