The Huckleberry Creek to Confluence with Clearwater River Whitewater River Run in the state of Washington is a popular destination for whitewater enthusiasts. The ideal streamflow range for this run is between 800 and 4,000 cubic feet per second (cfs), with higher flows providing more challenging rapids. The river is rated class III-IV, making it suitable for intermediate to advanced paddlers. The segment mileage for this run is approximately 6 miles.

The river features several notable rapids, including "Boulder Scramble," "Happy Hour," and "Slalom Rapids." These rapids can be challenging and require experienced paddlers to navigate safely. Additionally, there are several notable obstacles on this river run, including boulders, logs, and steep drops.

There are specific regulations to the area that visitors should be aware of. Permits are required to access the river, and visitors must follow all state and federal regulations related to boating, fishing, and camping. Additionally, visitors are required to pack out all trash and leave the area as they found it.

Overall, the Huckleberry Creek to Confluence with Clearwater River Whitewater River Run is a challenging and rewarding destination for experienced paddlers. With its scenic views, challenging rapids, and unique obstacles, this run is a must-visit for those seeking an adrenaline-pumping whitewater experience in Washington state.