Cross River, New York Cross River is a hamlet within the town of Lewisboro, New York, at the northern end of Westchester County. References Communities and Hamlets of Lewisboro, New York Cross River Golden's Bridge Lewisboro South Salem Vista Waccabuc Municipalities and communities of Westchester County, New York, United StatesCounty seat: White PlainsCities Mount Vernon New Rochelle Peekskill Rye White Plains Yonkers Towns Bedford Cortlandt Eastchester Greenburgh Harrison Lewisboro Mamaroneck Mount Kisco Mount Pleasant New Castle North Castle North Salem Ossining Pelham Pound Ridge Rye Scarsdale Somers Yorktown Villages Ardsley Briarcliff Manor Bronxville Buchanan Croton-on-Hudson Dobbs Ferry Elmsford Harrison Hastings-on-Hudson Irvington Larchmont Mamaroneck Mount Kisco Ossining Pelham Pelham Manor Pleasantville Port Chester Rye Brook Scarsdale Sleepy Hollow Tarrytown Tuckahoe CDPs Armonk Bedford Bedford Hills Chappaqua Crompond Crugers Eastchester Fairview Golden's Bridge Greenville Hartsdale Hawthorne Heritage Hills Jefferson Valley–Yorktown Katonah Lake Mohegan Lincolndale Millwood Montrose Peach Lake‡ Scotts Corners Shenorock Shrub Oak Thornwood Valhalla Verplanck Yorktown Heights Otherhamlets Archville Banksville Bedford Corners Cortlandt Manor Eastview Mount Airy Pocantico Hills Purchase Scarborough South Salem Sparta Waccabuc Wykagyl Footnotes‡This populated place also has portions in an adjacent county or counties New York portal United States portal