Summary
The ideal streamflow range for this river is between 100 and 500 cubic feet per second (cfs), which typically occurs during the spring and early summer months. The river is rated as a Class III-IV, making it suitable for experienced paddlers with good river skills. The segment mileage for this run is approximately 10 miles, starting at the wilderness boundary and ending at the confluence with the Stillaguamish River.
There are several specific rapids and obstacles on the Whitewater River, including "Hellhole," "S-turn," "Triple Drop," and "The Maze." These rapids range from Class III to Class IV and require technical paddling skills. Paddlers should also be aware of several log jams and sweepers that can pose hazards to navigation.
The Boulder River Wilderness area has specific regulations that must be followed by all visitors. These include rules regarding camping, campfires, and human waste disposal. The area is also closed to all motorized vehicles, including bicycles, and permits are required for overnight stays. Paddlers should also be aware of fishing regulations, as the Whitewater River is home to several species of fish, including steelhead and cutthroat trout.
Overall, the Whitewater River run in the Boulder River Wilderness area offers a challenging and rewarding paddling experience for experienced paddlers. While there are specific hazards and regulations to be aware of, the beauty and excitement of this run make it a popular destination for adventurous paddlers.