south town line and Batten Kill. The village is partially in Greenwich and partially in the town of Easton. Middle Falls – A hamlet west of Greenwich village on NY 29. Though it once bore the names Arkansaw and Galesville, the hamlet has been known by its present name since 1875. The name is derived from a 45-foot (14 m) natural waterfall of the nearby Batten Kill. North Greenwich – A hamlet near the northern town line. The community was formerly known as Antioch and Reid's Corners. The hamlet played an important role in the early town. A school was built circa 1800 and a post office was established in 1850. The hamlet served as a stagecoach stop between Albany and Whitehall. Thomson – A hamlet northwest of Clarks Mills, by the Hudson River. The hamlet's notoriety has transitioned since its establishment from that of saw milling to paper milling. Geographical features Batten Kill – A river that defines the southern town line. Cossayuna Lake – A lake on the northern town line. Its eastern shore defines part of the town's northern border. Lying mostly in the town of Argyle, only a small portion of the lake, its southern tip, lies within Greenwich. Hartshorn Brook – A tributary of the Batten Kill. McDougall Lake – A small lake, also partially within the town of Salem. Slocum Creek – A small tributary of the Hudson River. References External links Town of Greenwich Official Website Glens Falls metropolitan area Towns in Washington County, New York Populated places on the Underground Railroad Underground Railroad in New York (state)