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The South Yamhill River is a popular destination for whitewater enthusiasts in Oregon. It is rated as a Class III/IV river, meaning that it contains rapids that are challenging and require good technique and experience to navigate safely. The ideal streamflow range for the South Yamhill River is between 400 and 1000 cfs, although experienced paddlers may choose to run it at higher or lower levels.

The river runs for approximately 15 miles, starting near the town of McMinnville and flowing south through scenic forested areas and farmland. The rapids on the South Yamhill River offer a mix of technical moves and powerful waves, with notable obstacles including the "Cement Bridge" rapid, "S-Turn," and "Roller Coaster."

There are several regulations and restrictions that apply to the South Yamhill River. The river is managed by the Oregon Department of Fish and Wildlife, which requires all paddlers to have a valid fishing license. Additionally, there are several access points and put-in locations that require permits or fees, including the Oregon Department of Fish and Wildlife access site at the Haskins Bridge and the McMinnville Parks and Recreation Department access point at Lafayette Park.

Overall, the South Yamhill River is a challenging and rewarding destination for experienced whitewater paddlers in Oregon. It offers a mix of technical maneuvers, power waves, and scenic surroundings, making it a popular choice for those seeking adventure on the water.