The Whitewater River is a popular destination for white water rafting and kayaking in Oregon. The ideal streamflow range for this river is between 1,000 and 2,000 cfs, which provides a fun and challenging experience for experienced paddlers. The segment mileage for this run is approximately 16 miles, starting at the headwaters just north of the confluence of MF Five Points Creek and ending at the Wallowa-Whitman NF boundary.

The class rating for this section of the Whitewater River ranges from Class III to IV, depending on the water level, with rapids that include House Rock, Triple Drop, and the infamous Pinball rapid. Paddlers should be prepared for technical rapids, tight channels, and quick drops. It is recommended that only experienced paddlers attempt this run.

In terms of regulations, the Whitewater River is located within the Wallowa-Whitman National Forest and is subject to regulations set forth by the Forest Service. Permits are required to run this section of the river and can be obtained through the Forest Service office. Additionally, visitors must follow Leave No Trace principles and pack out all trash. Camping is permitted along the river, but visitors must adhere to designated campsites and fire regulations.

In conclusion, the Whitewater River run from Headwaters to Wallowa-Whitman NF boundary offers a challenging and thrilling experience for experienced paddlers. With a range of class III to IV rapids, paddlers should be prepared for technical sections and tight channels. Visitors must obtain permits and follow regulations set forth by the Forest Service, including Leave No Trace principles and designated camping areas.