The section of the Whitewater River that runs from RM 7 to RM 15 in the town of Beaver, Oregon is a popular destination for kayaking and rafting enthusiasts. This segment has a total distance of 8 miles and is rated as a class III-IV, making it suitable for intermediate to advanced paddlers.

The ideal streamflow range for this section of the river is between 800 to 2,000 cubic feet per second (cfs). Anything below 800 cfs may result in shallow and rocky areas, while anything above 2,000 cfs may become dangerous and challenging for even experienced paddlers.

Some of the notable rapids and obstacles in this section include Staircase, The Chute, and Big Drop. Staircase is a series of drops and ledges that require careful navigation, while The Chute is a narrow channel with steep drops that require precise maneuvers. Big Drop is the most challenging rapid in this segment, with a steep, technical drop that requires advanced paddling skills.

There are specific regulations that paddlers must adhere to in this area. For instance, all paddlers are required to wear personal flotation devices (PFDs) at all times while on the river. Additionally, paddlers are not allowed to camp along the riverbanks in this section.

Overall, the RM 7 to RM 15 segment of the Whitewater River is a thrilling and challenging destination for experienced paddlers. It's important to check the streamflow levels before embarking on this journey and to be familiar with the area's regulations to ensure a safe and enjoyable experience.