Wilson Creek is a popular whitewater river run in Washington State, known for its challenging rapids and scenic beauty. The ideal streamflow range for this river is between 700 and 1500 cfs, which makes it possible to navigate the rapids safely. As per the American Whitewater Association, Wilson Creek is classified as a Class IV-V river, making it suitable for experienced kayakers and rafters only. The segment mileage of the river is approximately 6.5 miles, which includes several significant drops and obstacles.

Some notable rapids on the Wilson Creek include the Meat Grinder, which is a Class V rapid that requires precise maneuvering to avoid rocks and dangerous currents. Another challenging obstacle is the S-Turn, which features a steep drop and a sharp turn that requires excellent coordination and skill.

The area around Wilson Creek is regulated to ensure the safety of visitors and preserve the natural beauty of the river. Visitors are required to obtain a permit before entering the area, and camping is only allowed in designated areas. Additionally, visitors are required to follow Leave No Trace principles and avoid causing any damage to the environment.

Overall, Wilson Creek is a thrilling whitewater river run that challenges even the most experienced kayakers and rafters. With its Class IV-V rapids and scenic beauty, it's no surprise that it's a popular destination for outdoor enthusiasts in Washington State.