Berkshires. The Berkshires are a highland geologic region located in the western parts of Massachusetts and Connecticut.
   The term Berkshires is normally used by locals in reference to the portion of the Vermont-based Green Mountains that extend south into western Massachusetts; the portion extending further south into northwestern Connecticut is locally referred to as either the Northwest Hills or Litchfield Hills. Also referred to as the Berkshire Hills, Berkshire Mountains, and Berkshire Plateau, the region enjoys a vibrant tourism industry based on music, arts, and recreation.
   Geologically, the mountains are a range of the Appalachian Mountains. The Berkshires were named among the 12 Last Great Places by The Nature Conservancy.
   The term The Berkshires has overlapping but non-identical political, cultural, and geographic definitions. Politically, Berkshire County, Massachusetts, was formed as a governmental unit in 1761.
   It includes the western extremity of the state, with its western boundary bordering New York and its eastern boundary roughly paralleling the watershed divide separating the Connecticut River watershed from the Housatonic River-Hoosic River watersheds. Culturally, the term Berkshires includes all of the highland region in western Massachusetts west of the Connecticut River and lower Westfield River, and all of northwest Connecticut from the Farmington River valley in the
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