The Siuslaw River Seg C is a popular river run in Oregon that stretches for 12.2 miles from the intersection of Steamboat Creek to the Whitewater Boat Launch. The ideal streamflow range for this segment is between 200-500 cfs, with the best time to run it being in the spring or fall. The class rating for this segment is Class III, with a few Class IV rapids.

The segment is known for its challenging rapids and obstacles, including the "Killer Fang" and "Million Dollar Rapid." The Killer Fang is a steep drop with a large boulder in the middle, while the Million Dollar Rapid is a long and technical stretch with several holes and eddies.

To ensure the safety of all visitors, there are specific regulations in place for this area. All boaters must wear a personal flotation device, and alcohol consumption is strictly prohibited. Additionally, visitors must obtain a permit before entering the river, and all boats must be inspected to prevent the spread of invasive species.

Overall, the Siuslaw River Seg C is a thrilling and challenging river run with scenic views and exciting rapids. It is important to follow all regulations and safety guidelines to ensure a safe and enjoyable experience.