Visit the Park


Harkness is open to the public year-round. The gardens, grounds, picnic area, and waterfront are open 365 days a year.  Visitors are welcome until sundown.

Visit the CT DEEP website for more details


Parking Fees will only be charged on Fridays, Saturdays, and Sundays – Memorial Day weekend, Friday May 25, 2019 through Labor Day September 3rd, 2019.

Non Resident : Parking Fees apply to all vehicles without a CT State license plate.  See DEEP website for details.

Residents:    No fee for parking will be charged for vehicles registered in State of Connecticut

Visit the CT DEEP website for more details

Mansion Tours

Friends of Harkness volunteer docents lead guided tours on weekends and holidays between Memorial Day and Labor Day. Saturdays & Sundays 10am – 1:30pm.  Memorial Day, Juneteenth, July 4 and Labor Day, 10am – 1:30pm.  Space is limited. Sign up at the Mansion on day of tour.  Donations for tours are welcome and most appreciated.

Mansion & Garden Tours are also available by appointment,

Email: for additional information and availability.

Wedding Inquiries

Wedding Inquiries should be directed to CT DEEP.

Email: for additional information and availability.


  • From I-95 South: Go to exit 81. At the end of the ramp, turn left onto access road and proceed to stop light. At light, turn left onto Cross Road and continue to intersection with Boston Post Road, Route 1. Turn left and continue to light at Avery Lane; turn right. Avery will become Great Neck Road, route 213. The park will be two miles ahead on the right.
  • From I-95 North: Go to exit 75, bear right at end of exit ramp and proceed onto Boston Post Road, Route 1. Go 3 miles to Avery Lane and proceed as described above.