South Umpqua River
OR • US
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The South Umpqua River is a tributary of the Umpqua River, approximately 115 miles (185 km) long, in southwestern Oregon in the United States. It drains part of the Cascade Range east of Roseburg. The river passes through a remote canyon in its upper reaches then emerges in the populated South Umpqua Valley east of Canyonville.
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Click any point for details. Sections without stored geometry are drawn as straight put-in → take-out lines — actual courses follow the river.