Conservation Department

Services > Conservation Areas

The Town of Mamaroneck is responsible for the maintenance of several unique conservation areas. All conservation areas are open to the public from dawn to dusk.

Please protect our natural areas by following these rules:

  • No littering or dumping.
    Leaves, grass clippings, branches, and organic waste should not be dumped in these areas. For information on disposing of organic waste, please follow the guidelines in the Garbage, Rubbish and Recycling Collections brochure.

  • Dogs must be kept on a leash at all times.
    Please pick up after your dog. Pet waste pollutes our streams and beaches.

  • Sorry, bicycles are not permitted.

  • No paintball guns, airsoft guns or pellet guns.

  • The destruction of plants and trees is prohibited.

  • No planting of flowers, trees, or bushes.

  • As always:
    NO hunting, fishing, camping, vandalism, graffiti, alcoholic beverages,
    fires, or motor vehicles.

Hommocks Conservation Area

Entrance on Hommocks Road
7.6 acres; 3 acres tidal wetlands

The Hommocks Conservation Area is a 10.6-acre parcel comprised of woodland, salt marsh and meadow areas. The conservation area is located along the Hommocks Road, just past the Hommocks Middle School soccer fields. Parking is available on the Hommocks Road between Eagle Knolls Road and Oak Lane.

PDFHommocks Conservation Area Map - learn about the history and ecology of the area

Larchmont Reservoir - James G. Johnson, Jr. Conservancy

Entrances on Weaver Street, Dennis Drive (off of Quaker Ridge Road), and on Pinebrook Boulevard
12.76 acres in Town; 60 acres total

The Larchmont Reservoir is a 60-acre wildlife sanctuary and nature study area with lakeside trails and quiet woodland paths. The Mamaroneck Environmental Resource Center, located adjacent to the Reservoir, houses the Sheldrake Environmental Center and the Monroe summer camp. The Sheldrake Environmental Center offers nature programs for adults and children throughout the year.

The entrances to the Reservoir are located at 687 Weaver Street (park next to the tool shed), Sheldrake Lane (a gravel parking area across from Bonnie Briar Country Club), the Pine Brook Tennis Courts (on Pine Brook Boulevard) and Dennis Drive (off of Quaker Ridge Road).

PDFLarchmont Reservoir Map - a hand drawn map, highlighting historical details about the area

Leatherstocking Trail

Access from Rock Ridge Rd., Old White Plains Rd, Country Rd, Fenimore Rd, Avon Rd, Winged Foot Drive Stratford Rd, Highland Rd, Weaver Street, Rouken Glen, Bonnie Way, Knollwood Drive, , and Pine Brook Blvd.
31 acres; 6 acres freshwater wetlands

The Leatherstocking Trail is a 2.5-mile long lineal trail that runs from Pinebrook Boulevard in New Rochelle through the center of the Town of Mamaroneck to Rock Ridge Road in Mamaroneck Village. The trail, only 200 feet wide in some places, provides a quick and easily accessed respite from urbanized life. It features a typical northeastern hardwood forest with occasional riverine areas. The Leatherstocking Trail is also the southern end of the Colonial Greenway Trail, a 15-mile trail system that connects local and county parks in the Town of Mamaroneck, Mamaroneck Village, Scarsdale, Eastchester and New Rochelle.

PDFLeatherstocking Trail Map - a trail map and overview of the area

Colonial Greenway

The natural beauty and rich history of southern Westchester come together on the Colonial Greenway. Its 15 miles of trails wind through woods and wetlands that are home to an abundance of wildlife and through neighborhoods touched by the lives of Thomas Paine, Anne Hutchinson , James Fenimore Cooper and other great figures of American History. The colonial Greenway can be enjoyed by hikers, walkers and runners, and portions of the trail are also appropriate for equestrians. , a 15-mile scenic trail loop that connects local and county parks in the Town of Mamaroneck, Mamaroneck Village, Scarsdale, Eastchester and New Rochelle.

PDFColonial Greenway Map - GIS map

Premium River Conservation Area Complex

Entrance off Dillon Road
10 acres; 8 acres tidal wetlands

The Premium Marsh Conservation Area is a part of the 65-Acre Premium River-Pine Brook Wetlands Complex, which lies on the borders of the Village of Larchmont, the Town of Mamaroneck and the City of New Rochelle. This wetlands complex is a New York State designated "Significant Fish and Wildlife Habitat" and includes a range of different habitats from the fresh waters of the Pine Brook to the salt waters of the Long Island Sound. The entrance to the Premium Marsh Conservation Area is at the bottom of Dillon Road on the left hand side. Please park just beyond the entrance on Pheasant Run. The marsh can also be seen from Lorenzen Field and Willow Park in Larchmont Village.

Sheldrake River Trails

Enter from Rockland Avenue, Winged Foot Drive, and Hilltop Road
24 acres; 7 acres freshwater wetlands

This 23-acre woodland parcel, traversed by the east branch of the Sheldrake River, is the central section of a 54-acre tract of natural woodland owned by the Town of Mamaroneck and maintained as a conservation area for native plants and animals. The tract features intertwining trails that provide a wonderful walk through various mini-ecosystems. The main entrance to the Sheldrake River Trails Conservation Area is on the north side of Rockland Avenue, between Highland Avenue and Winged Foot Drive. One can also access the trails from the Leatherstocking Trail.

PDFSheldrake River Trails Map - a trail map and overview of the area

Other Conservation Areas

  • Sether Woods Conservation Area, Durham Road

  • Old Mill Site, Hilltop Road


The Conservation Department, located on the second floor of the Town Center (Rm 207), is open weekdays:

Winter Hours:
Labor Day through Memorial Day
8:30 am - 4:30 pm

Summer Hours:
Memorial Day through Labor Day
8:30 am - 4:00 pm

Holiday Schedule


The Conservation Department is responsible for the protection of the environment in the Town of Mamaroneck. The Conservation Department has one full-time staff member, the Environmental Planner and a seasonal staff of local …

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(914) 381-7845

(914) 381-8473

Department Head
Elizabeth Paul
Environmental Planner