The Whitewater River Run Rm 15 to Rm 26 (Above Confluence Of Limestone Creek) in the state of Oregon is a thrilling white water rafting destination. The ideal streamflow range for this stretch of river is between 1000-3000 cubic feet per second (cfs), which usually occurs during the spring months of March to June. The class rating for this segment of the river ranges from Class III to IV, making it suitable for experienced rafters.

The segment mileage of this section of the Whitewater River Run is approximately 11 miles. The rapids and obstacles along this stretch of river include the "Unnamed Rapid," which is a Class III+ drop, and "Landslide Rapid," which is a Class IV rapid with large boulders and a steep drop. Rafters should also be aware of the "Strainer Rapid," which features a fallen tree that can be dangerous to navigate around.

Specific regulations for this area include the requirement of personal floatation devices for all rafters, as well as a minimum of one person per boat with swiftwater rescue training. Additionally, the use of alcohol and drugs is strictly prohibited while on the river.