The Whitewater River Run from Mt Timpanogos Wilderness Boundary to Theater-In-The-Pines in Utah is a popular spot for kayaking and rafting enthusiasts. The ideal streamflow range for this run is between 300 and 600 cubic feet per second (cfs). The class rating for this run is between III and IV, making it suitable for intermediate to advanced paddlers. The segment mileage for this run is about 5 miles.

One of the most notable rapids on this run is the "Box Elder" rapid, which is a class IV rapid that requires technical maneuvering. Other notable rapids include "Pinball," "Jump Start," and "The Chute." In addition to these rapids, paddlers must navigate through several boulder gardens and tight channels.

There are specific regulations in place for this area to ensure the safety of paddlers and preserve the natural environment. For instance, all paddlers are required to wear a personal flotation device (PFD) at all times while on the water. Additionally, camping is not allowed on this stretch of river, and visitors are required to pack out all trash and waste.

In conclusion, the Whitewater River Run from Mt Timpanogos Wilderness Boundary to Theater-In-The-Pines in Utah is a challenging and exciting run for intermediate to advanced paddlers. With its scenic views, technical rapids, and specific regulations, this stretch of river provides an unforgettable experience for those seeking adventure on the water.