BUFFALO NATIONAL RIVER http://www.nps.gov/buff/ The Buffalo River is one of the few remaining unpolluted, free-flowing rivers in the lower 48 states offering both swift-running and placid stretches. The Buffalo National River encompasses 135 miles of the 150-mile long river. It begins as a trickle in the Boston Mountains 15 miles above the park boundary. Headquarters is located in Harrison, Arkansas, providing administrative services to the national river. Buffalo River - The United States Congress set the Buffalo River aside in 1972 as America's first national river. It was created, "for the purposes of conserving and interpreting... Evelyn