The South Umpqua River is a popular destination for whitewater rafting in southern Oregon. The ideal streamflow range for the South Umpqua River is between 1,000 and 5,000 cubic feet per second (cfs). The river has a class rating of III-IV, which makes it suitable for intermediate to advanced paddlers. The segment mileage for the South Umpqua River is approximately 19 miles.

The South Umpqua River has several challenging rapids and obstacles, including Steamboat, which is a class III+ rapid, and Pinball, which is a class IV rapid. Other notable rapids include Upper S-Turn, which is a class III rapid, and Lower S-Turn, which is a class IV rapid.

There are specific regulations to be aware of when planning a trip to the South Umpqua River. Rafters are required to obtain a permit from the Bureau of Land Management (BLM) before launching. Additionally, there are restrictions on the number of people and boats allowed on the river at any given time.

Overall, the South Umpqua River is a challenging and exciting destination for whitewater rafting in Oregon. With its class III-IV rapids, stunning scenery, and specific regulations, it is a must-visit for experienced paddlers.