The Umpqua River (UHMP-kwah) on the Pacific coast of Oregon in the United States is approximately 111 miles (179 km) long. One of the principal rivers of the Oregon coast, it drains an expansive network of valleys in the mountains west of the Cascade Range and south of the Willamette Valley, from which it is separated by the Calapooya Mountains. The "Hundred Valleys of the Umpqua" form the heart of The Umpqua River boasts some of the world's best fly-fishing, salmon fishing, and sturgeon fishing.Umpqua river fishing is also famous for its small-mouth bass, striped bass, and shad population.The timber industry of southern Oregon, generally centered on Roseburg. The river and its tributaries flow entirely within Douglas County, which encompasses most of the watershed of the river from the Cascades to the coast.

http://en.wikipedia.org/wiki/Umpqua_River