Rhinebeck, village (1990 pop. 2,725), Dutchess co., SE N.Y., in the foothills of the Berkshire Mts. near the Hudson River; settled before 1700, inc. 1834. It is the site of Beekman Arms, said to be the oldest hotel in the United States; a pre-Revolutionary Dutch Reformed church and cemetery; and the Old Rhinebeck Aerodrome, a museum of early aviation. The Dutchess County Fair and a well-known crafts fair are held annually in Rhinebeck.