One of the largest is Babcock Preserve, one-half mile north of the Merritt Parkway between North Street, where the entrance is, Lower Cross Road and Lake Avenue. The park encompasses nearly 300 acres, has 11 trails, and is open for hiking, walking, jogging, cross-country skiing, picnicking and horseback riding from dawn to dusk. No camping or trail bikes.

Laddins Rock Sanctuary is an 18-acre natural woodland on the north side of Highmeadow Road. Parking is available along the road and the sanctuary is open from dawn to dusk.

The Mianus River & Natural Park is on Cary Road on the Greenwich/Stamford line. Its 110 acres are open during daylight hours. There are trails for walking, jogging, hiking, and horseback riding. Fishing is allowed with a state license. This is a great park for bird watching. There are parking lots on Cognewaugh Road in Greenwich and Merribrook Lane in Stamford.

Roger Sherman Baldwin Park, on Arch Street near the railroad and I-95, is a small waterfront park with a view of Greenwich Harbor and Long Island Sound. Primary activities are picnicking and bird watching, although outdoor concerts and theater productions are offered in summer. Here, too is the Ferry Terminal offering rides to Island Beach and Great Captain’s Island. Also at the park is Greenwich Skatepark (see below).

Edward Schongalla Nature Preserve runs along both sides of MacArthur Drive in Riverside. The 28 acres are open dawn to dusk for walking, hiking, nature study, and bird watching. Park on MacArthur Drive between Florence Road and Halsey Drive.

Montgomery Park and Pinetum is on Bible Street in Cos Cob and is home to the Greenwich Garden Center. The entrance is opposite Clover Place. A map and tree guide are available at the center for the tree identification walk and many trails throughout the property. One path in particular takes you to the Greenwich Audubon Society’s Mildred Bedard Caldwell Wildlife Sanctuary.