Harkness Memorial State Park
Harkness Memorial State Park offers visitors a scenic shoreline estate with beautifully landscaped gardens, sweeping lawns, and panoramic views of Long Island Sound. The park features the historic Eolia Mansion, picnic areas, and opportunities for walking, birdwatching, and enjoying the tranquil coastal environment.
Free
Visiting with Dogs
Dogs allowed on leash, not permitted in formal gardens or buildings. Owners must clean up after pets.
Visitor Tips & Reviews
What Visitors Say
Visitors love Harkness Memorial State Park for its beautiful gardens, historic mansion, scenic ocean views, peaceful picnic spots, and relaxing atmosphere, making it perfect for families and photographers.
Tips from Visitors
- Arrive early for best parking spots.
- Picnicking is popular; bring your own food.
- Leashed pets allowed in designated areas only.
- Explore gardens and historic mansion grounds.
- Restrooms available near main parking lot.
- Check for seasonal events before visiting.
Amenities
Nearby Attractions
Explore these attractions near Harkness Memorial State Park:
- Eugene O’Neill Theater CenterA renowned theater center offering performances, workshops, and scenic grounds in Waterford.2 miles away
- Ocean Beach ParkA popular public beach in New London featuring a boardwalk, amusement rides, and mini golf.3 miles away
- Mystic Seaport MuseumA living history maritime museum with historic ships and exhibits in Mystic.16 miles away
Things to Do at Harkness Memorial State Park
Camping at Harkness Memorial State Park
Camping not available at Harkness; nearby options include Rocky Neck and Hammonasset Beach State Parks.
Hiking Trails
Harkness Memorial State Park offers easy, scenic walking trails perfect for a relaxing day hike. Paths wind through beautifully landscaped gardens, open lawns, and along the Long Island Sound shoreline. Visitors enjoy peaceful views, historic architecture, and abundant birdlife. The terrain is mostly flat, making it accessible for all ages and abilities. It's an ideal spot for leisurely strolls, photography, and picnics in a picturesque coastal setting.
Harkness Coastal Loop Trail
EasyA scenic loop along the coastline, offering views of Long Island Sound and the park's gardens.
Gardens and Mansion Walk
EasyA gentle walk through the historic gardens and around the Eolia Mansion, featuring lush landscapes and historic architecture.
Salt Marsh Overlook Trail
EasyA short trail leading to a viewing platform overlooking the salt marsh, ideal for birdwatching and nature observation.
Meadow and Woodland Path
EasyA peaceful path winding through open meadows and shaded woodlands, perfect for a relaxing stroll.
Directions
From I-95, take Exit 75 to US-1 South, then follow signs to Great Neck Road. The park entrance is on the left after 2 miles.
Contact & Info
Frequently Asked Questions
What are the park hours for Harkness Memorial State Park?
Harkness Memorial State Park is open daily from 8:00 AM to sunset. The gardens and grounds are accessible during these hours, but mansion tours have separate schedules.
Is there an entrance or parking fee at Harkness Memorial State Park?
Connecticut-registered vehicles can park for free. Out-of-state vehicles may be charged a parking fee, especially on weekends and holidays.
Can I tour the Eolia Mansion at Harkness Memorial State Park?
Yes, guided tours of the Eolia Mansion are available seasonally, typically on weekends. Check the park’s website or call ahead for current tour times and availability.
Are pets allowed at Harkness Memorial State Park?
Pets are welcome in the park’s outdoor areas but must be leashed at all times. Pets are not allowed inside buildings or in the formal gardens.
Is Harkness Memorial State Park a good spot for picnics?
Yes, the park offers plenty of open lawns, picnic tables, and scenic views of Long Island Sound, making it a popular spot for picnics and family gatherings.
Can I host a wedding or special event at Harkness Memorial State Park?
Yes, the park is a popular venue for weddings and events. Reservations and permits are required. Contact the park office or visit the official website for details and availability.

Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
View Gear Checklist →