Winding river through green fields at sunset, with autumn trees and distant mesas under a pink sky

 A Guide to Exploring the Connecticut River Valley

Stretching through central Connecticut along the lower portion of the Connecticut River, the Connecticut River Valley is known for its scenic riverfront landscapes, historic towns, wooded state parks, and maritime heritage. The region includes parts of Middlesex, Hartford, Tolland, and New London counties. 


Part of the allure of the Connecticut River Valley is the range of experiences it provides. Keep reading to learn more about some of our favorite destinations!

Gillette Castle State Park

Location: East Haddam


Perched high above the Connecticut River, Gillette Castle State Park is one of Connecticut’s most recognizable landmarks. The stone mansion was built by actor William Gillette, best known for portraying Sherlock Holmes on stage, and features unusual architecture, handcrafted details, and scenic river views. 


Things to Do

  • Tour Gillette Castle – Explore the eccentric interior filled with hand-carved woodwork, secret doors, and unique furnishings.
  • Hike the Park Trails – Walk wooded trails and former railroad grades overlooking the Connecticut River.
  • Picnicking and Photography – Enjoy scenic overlooks and river views throughout the property.


Things to Know

  • Open year-round, though castle tours are generally seasonal
  • Admission fees may apply for interior tours
  • Parking fees may be charged during peak seasons
  • Some trails and castle areas have limited ADA accessibility due to stairs and terrain
  • Visitors should remain on marked trails and avoid climbing on stone structures
Stone castle on a forested hill with colorful autumn trees under a clear blue sky
Tiered waterfall cascading over dark rocks in a green forest setting

DEVIL'S HOPYARD STATE PARK

Location: East Haddam Area


Devil’s Hopyard State Park is best known for Chapman Falls, a multi-tiered waterfall flowing through a forested gorge. The park combines scenic hiking trails, rocky landscapes, and quiet picnic areas that attract visitors during every season. Local legends surrounding mysterious potholes in the rocks have also added to the park’s long-standing folklore.


Things to Do

  • View Chapman Falls – See the park’s cascading waterfall from scenic observation areas and trails.
  • Hiking – Explore wooded trails that pass streams, rock formations, and scenic overlooks.
  • Fishing and Picnicking – Enjoy trout fishing and shaded picnic areas near the water.


Things to Know

  • Open daily year-round from sunrise to sunset
  • No entrance fee for Connecticut residents with registered vehicles
  • Trails near the falls can become slippery after rain
  • Swimming near the falls is generally discouraged due to strong currents and rocks
  • ADA accessibility is limited in steeper trail sections

Essex Steam Train & Riverboat

Location: Essex


The Essex Steam Train & Riverboat offers one of the most unique ways to experience the Connecticut River Valley. Departing from historic Essex Station, the experience combines a vintage steam train ride with a riverboat cruise along the Connecticut River. Scenic marshes, historic towns, and river wildlife make the attraction especially popular during summer and fall foliage season.


Things to Do

  • Ride the Essex Steam Train – Travel aboard restored vintage railcars pulled by a steam locomotive.
  • Connecticut Riverboat Cruise – Enjoy narrated sightseeing cruises along the river.
  • Seasonal Excursions – Attend themed rides, holiday events, and dinner train experiences.


Things to Know

  • Operates primarily spring through fall with seasonal holiday events
  • Advance reservations are strongly recommended
  • Ticket prices vary by excursion type and seating options
  • ADA-accessible accommodations are available on select cars and boats
  • Visitors should arrive early for boarding and parking
Steam locomotive crossing a road, surrounded by white steam beside a yellow building and trees
Person ziplining over a forested mountain valley, arms raised in a harness

BROWNSTONE ADVENTURE PARK

Location: Portland


Brownstone Adventure Park transforms a former quarry into one of Connecticut’s largest outdoor adventure destinations. The park features freshwater swimming areas, inflatable obstacle courses, zip lines, cliff jumps, and paddle sports during the summer season. Its combination of water recreation and adrenaline-focused activities attracts both families and thrill-seekers.


Things to Do

  • Swimming and Water Activities – Enjoy designated swimming zones and floating obstacle courses.
  • Zip Lining and Cliff Jumping – Experience adventure attractions overlooking the quarry water.
  • Kayaking and Paddleboarding – Rent equipment for calmer recreation around the quarry.


Things to Know

  • Open seasonally during warmer months
  • Admission fees and reservation requirements apply
  • Life jackets are required for many water activities
  • Certain attractions have height, weight, or age restrictions
  • ADA accessibility varies depending on attraction and terrain

Connecticut River Museum

Location: Essex


Located along the waterfront, the Connecticut River Museum preserves the maritime history and ecology of the Connecticut River Valley. The museum features exhibits on shipbuilding, river commerce, wildlife, and regional culture, along with seasonal boat tours and educational programs. Its location directly along the river provides scenic views and easy access to the historic downtown Essex area.


Things to Do

  • Explore Museum Exhibits – Learn about maritime history, river ecology, and regional culture.
  • Climb the River Lighthouse Replica – Enjoy panoramic views from the museum’s lighthouse exhibit.
  • Attend Seasonal Programs – Participate in lectures, boat tours, and educational events.


Things to Know

  • Open year-round with seasonal operating hours
  • Admission fees apply for museum entry and select programs
  • ADA-accessible entrances and exhibit areas are available
  • Parking is available near the museum and downtown Essex
  • Visitors should check schedules for special exhibits and river cruises
White waterfront buildings and a church on a tree-lined shoreline across calm water under a clear sky

Stay at The Old Mill Inn

For easy access to the state parks, museums, and attractions in the Connecticut River Valley, stay at The Old Mill Inn in Hatfield, MA. Our location on the Mill River provides beautiful views from our lovely rooms and suites and offers a scenic background for your New England vacation.


With a complimentary breakfast and Wi-Fi, a rustic setting with modern amenities, and close proximity to Hatfield attractions and restaurants, The Old Mill Inn is the perfect place for your next getaway. 


Book your reservation today!