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Mianus River Park and State Park

Mianus River Park, located on the border of Greenwich and Stamford, features a stretch of the beautiful Mianus River, forest lands, vernal pools, glacial outcroppings, varied wildlife and miles of rolling trails. 
Trail Activity
Hiking Walking Bicycling
Length
12.3 miles, Network
Difficulty
Easy, Moderate
Towns
Greenwich, Stamford
Surface
Packed Earth/Dirt, Gravel/Crushed Stone, Paved/Cement
Pets
Permitted on leash
Fees
No

Description

The Mianus River Park and State Park is an urban park containing over 12 miles of trails. The park includes a variety of paths and is well known for its flora and fauna. The Nature Trail (green) is 2.6 miles long with 13 points of interest marked with green letters. The Nature Trail offers a description of each point. The Yellow Trail is a 4.5 mile loop covering most of the park. Many smaller trails intersect and connect. 

Mianus River Park spans two municipalities and consists of three contiguous properties: Mianus River and Natural Park, 110 acres, owned by the Town of Greenwich, Mianus River Park, 187 acres, owned by the City of Stamford, Mianus River State Park, also known as Treetops, 94 acres, owned by the State of Connecticut.

Other Information

Rules

  • The park is open from sunrise to sunset. 
  • Stay on existing trails, follow "leave no trace" principles.
  • Avoid the river's edge, fenced areas, and private property.
  • Protect the river by using designated access points only.
  • Leash dogs at all times, pick-up dog waste, and carry out with you.
  • No camping, fires, or hunting.
  • Motorized vehicles are prohibited.
  • Removing plant materials is prohibited.
  • Only park in designated parking spots as parking is limited.
  • Fish only with valid license, comply with all posted catch and release laws, follow Connecticut fishing rules. 
  • Biking is prohibited in the Greenwich side of the park.

The Friends of Mianus River Park is a volunteer organization whose goal is to sustain and protect the Mianus River Park. 

Friends of Mianus Park Trail Map.

Trail Manager

This park is managed by the following CT DEEP Park Headquarters:

CT DEEP: Sherwood Island State Park
CT DEEP: Sherwood Island State Park
Sherwood Island State Park
P.O. Box 188
Greens Farms, CT 06838
(203) 226-6983
View website
Friends of Mianus River Park
Friends of Mianus River Park
P.O. Box 3112
Stamford, CT 06905
View website
City of Stamford
City of Stamford
888 Washington Boulevard, 1st Floor
Stamford, CT 06901
(203) 977-4140
View website
Town of Greenwich
Town of Greenwich
101 Field Point Road
Greenwich, CT 06830
203-622-7814
View website

Trail Tips

Leave What You Find
Unauthorized trail development impacts wildlife, and can impact access. Follow the blazes and don't build new trails without permission.
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Trailhead Information

From the east:

Take exit 33 off Route 15 (Merritt Parkway). Continue on to Den Road for 0.2 miles. Turn left on Bengall Road for 0.2 miles and then right onto Riverbank Road for 0.3 miles. Turn left onto June Road for 0.2 miles and then left onto Guinea Road for 1.1 miles. Turn left onto Stanwich Road for 0.5 miles. The parking area is on the left. 

From the west:

Take exit 31 off Route 15 (Merritt Parkway). Turn left onto North Street for 1.4 miles. Turn left to Dingletown Road for 1.3 Miles. Turn left onto Stanwich Road for 0.8 miles. The parking lot will be on the left. 

Stamford Parking Area:

The Stamford parking area is at 71 Merriebrook Lane. From the junction of Route 15 (Merritt Parkway, Exit 33), proceed to Westover Road. After approximately 2 miles, turn right onto Merribrook Lane. In approximately 0.2 miles, find small parking areas on either side of the road.

Greenwich Parking Area:

The Greenwich parking area is at 450 Cognewaugh Road, Greenwich.

Parking is very limited. Park only in marked spaces as police will ticket and tow illegally parked vehicles in the park and on nearby streets.

Click on a parking icon to get custom directions
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