Fort Constitution Historic Site
- Status
- Status not posted
- Entrance fee
- Statewide rule — see below
- Day-use reservations
- None mentioned
- Dogs
- No dogs
- Camping
- None listed
- Official site
- nhstateparks.org
Official page last checked Oct 29, 2026. How we keep this current
Overview
In Rockingham County, about 3 miles east of Portsmouth, Fort Constitution Historic Site covers about 2 acres.
Things to do include historic sites and picnicking.
Hours
Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.
| Facility | Days | Hours | Season |
|---|---|---|---|
| The park’s wording doesn’t give clock times — see the official wording below. | |||
Official wording
Please note this park is also located on an active duty US Coast Guard facility and may not be accessible. Off NH Route 1B at US Coast Guard Station
Source: official park page, checked Oct 29, 2026. Times are local to the park (America/New York).
Fees and passes
Mostly per person: day-use parks $4 adults / $2 youth 6-11, high-use parks $5 adults; children 5 and under and NH residents 65+ free. Per vehicle $15 at Hampton Beach SP South, Monadnock SP and Wallis Sands SP. Historic sites charge residents $4 and non-residents $5 per adult. Flume Gorge $18 adult. Unstaffed parks use self-serve 'Iron Ranger' pay stations.
Statewide fee rule from New Hampshire's park system; this park’s page doesn’t list its own fees.
New Hampshire park passes
- Individual Season Pass — $60. All day-use parks charging a per person fee; not valid for Cannon Mountain Aerial Tramway, Flume Gorge, camping, meter parking, Hampton Beach SP South or Wallis Sands SP parking. Details
- Resident Family Pass — $105. 2 adults and up to 4 dependents at all day-use parks charging a per person fee (NH residency required). Details
- Non-Resident Family Pass — $120. 2 adults and up to 4 dependents at all day-use parks charging a per person fee. Details
- Seacoast Parking Pass — $175. 1 vehicle at Hampton Beach State Park (South) and Wallis Sands State Park. Details
From the New Hampshire state guide. Confirm which passes this park accepts.
Reservations
- Day use
- No day-use reservation requirement mentioned
- Booking system
- ReserveAmerica (Aspira)
- Phone
- 1-877-647-2757
We link to the official booking system rather than showing live availability, which changes minute to minute.
Pets
No dogs
Pets are not permitted in the park. See the NH State Parks Pets Policy for more information.
Service animals are generally permitted where pets are not. Check with the park for specific areas.
Things to do
PicnickingHistoric sites and tours
Amenities
Facilities
- Picnic areas
✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.
Getting there
- Address
- 25 Wentworth Road
New Castle, NH 03854 - Nearest town
- Portsmouth — about 3 mi east (straight line)
- Coordinates
- 43.0709, -70.7142
Nearby state parks
Sources and freshness
- New Hampshire State Parks — park page — last checked Oct 29, 2026
- NH State Parks directory JSON service (ParkList.asmx/GetParks) + Recreational Rail Trails index page + sitemap.xml
- USGS PAD-US 4.1 (boundary and acreage)
“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology