Wentworth-Coolidge Mansion
375 Little Harbor Road
Portsmouth, NH 03801
Phone: 603-436-2233
Events: 603-380-4919
Wentworth-Coolidge Mansion Historic Site is the former home of New Hampshire's first royal governor, Benning Wentworth, who served in office from 1741 to 1767. The rambling 40-room mansion which overlooks Little Harbor, is one of the most outstanding homes remaining of the colonial era. Its stateliness and impressive interior and furnishings reflect aristocratic life in Portsmouth in the 1700s.
The Mansion reflects five distinct periods of architecture. The extraordinary skill of New Hampshire's eighteenth century craftsmen is exhibited in the intricate hand-carved mantelpiece. The council chamber and the spy closet reveal details about daily life and government during the colonial period. Purple lilacs, descendants of the first European stock imported by Wentworth, decorate the grounds.
Little Harbor Loop Trail: Be sure to go for a stroll on this 1.5 mile waterside path that connects the Wentworth-Coolidge Mansion Historic Site, Creek Farm and Portsmouth Conservation Land. Free parking and trail access are available at the Wentworth-Coolidge Mansion Historic Site.
Little Harbor Loop Trail Map 
Operating Schedule
This site is open from May 26 to October 10, Thursdays - Mondays. Operating hours are 10 am to 4 pm. Tours are available on the hour and the last tour leaving at 3pm.
| Dates |
Hours |
Currently Closed - 2023 Operating Schedule TBD
The off-season poses unique risks inherent when participating in outdoor recreational activities.
Please be aware that many State Parks areas and trails are not staffed during the off season, and day-use fees are not collected. Recreationists should possess the necessary knowledge, skill, and equipment to enusre their own safety. Users assume all risk while recreating in State Park lands.
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| Historic Site Fees: |
| Adult |
NH Resident |
$4.00 |
| Non Resident |
$5.00 |
| Child 6-17 |
NH Resident |
$0.00 |
| Non Resident |
$3.00 |
| Child under 6 |
NH Resident |
$0.00 |
| Non Resident |
$0.00 |
Book a Historic Site Tour
Planning an Outing?
Wentworth-Coolidge Mansion State Historic Site is a great location to hold a wedding, family reunion, corporate outing, and more. For more information on planning your event please click on the following.
Rental Use Information Sheet
Are pets allowed at Wentworth-Coolidge Mansion?
Dogs are permitted on the outside grounds of the park and must be on a standard or retractable leash not greater than 6 feet in length. Animal owners shall clean up any waste eliminated by their animals and place it in a trash can or remove it off-site. See our Visiting with Pets webpage for more information.
Keep Your Parks Clean
Through the Carry-In/Carry-Out Program, you can help us keep your parks clean and beautiful by carrying out whatever you carry in. Thank you for your cooperation and remember to recycle.
Access for Persons with Disabilities
Visit our Accessibility for All webpage. For more information on specific accessibilty needs or questions, please contact the individual park office directly.
The New Hampshire State Park Experience Blog
5/31/12 "Celebrating Lilacs through History and Art at Wentworth-Coolidge"