The Whitewater River run from the Eagle Cap Wilderness Boundary to the confluence with Eagle Creek in Oregon is a 10-mile class III-IV river run with an ideal streamflow range of 700-1,200 cfs. This river run offers breathtaking views of the Eagle Cap Wilderness and is ideal for intermediate to experienced kayakers and rafters. The segment includes a series of pools and drops, including notable rapids such as Chickenfoot and Pinball.

The segment mileage is approximately 10 miles, and the run can be completed in 1-2 days depending on the water level and the experience of the kayakers. The run ends at the confluence with Eagle Creek, where the river merges into the Wallowa River.

There are specific regulations for the area, including a permit system for overnight camping in the Eagle Cap Wilderness. Additionally, all boaters must follow the Oregon State Marine Board's boating regulations, including wearing personal flotation devices at all times and carrying necessary safety equipment.

Overall, the Whitewater River run offers a thrilling adventure for experienced kayakers and rafters, with stunning scenery and exciting rapids. It is important to plan ahead and follow regulations to ensure a safe and enjoyable experience.