Cross River is a hamlet located in the town of Lewisboro, Westchester County, New York, United States. It is situated approximately 45 miles north of New York City and has a population of around 8,000 people. Cross River is known for its mix of residential neighborhoods, commercial centers, and natural beauty. The hamlet is home to several parks and recreational areas, including the Ward Pound Ridge Reservation, which offers hiking trails, camping areas, and picnic areas. The hamlet is served by the Metro-North Railroad, which provides convenient access to New York City and other areas of the Hudson Valley.