Washington County, New York is part of the Great Appalachian Valley (also known simply as the 'Great Valley') which is a long narrow valley strip often between tall mountain ranges. The county transitions from the Taconic Mountains to the Adirondack Mountains, and from the Lake Champlain Valley to Hudson River Valley. Much of the county is part of the slate valley of the Upper Taconic Mountains (Taghkanic, meaning 'in the trees'). The eastern boundary of Washington County is the New York–Vermont border, part of which is Lake Champlain. This is also the border with New England proper. The northern end of the county is
USS Lake Champlain (CG-57) USS Lake Champlain (CG-57) USS "Lake Champlain" (CG-57) is a guided missile cruiser in the United States Navy. It is the third ship to be named "Lake Champlain", in honor of Battle of Lake Champlain, which took place during the War of 1812. "Lake Champlain" was laid down 3 March 1986, at Ingalls Shipbuilding, Pascagoula, Mississippi, launched 3 April 1987, and commissioned 12 August 1988, at Intrepid Pier at the Intrepid Sea-Air-Space Museum in New York City, Captain Ralph K. Martin commanding. She then steamed to her homeport of San Diego, via Cape Horn, South America, losing part of her