The whitewater river run from Sec. 29, T.8S, R.13W to all upstream waters in the state of Montana offers a thrilling experience for experienced kayakers and rafters. The ideal streamflow range for this section is between 1,000 to 5,000 cfs, which typically occurs during the spring snowmelt. The segment mileage for this section is approximately 15 miles.

The whitewater river run is classified as a class III to IV rapid, which means it contains moderate to difficult rapids and obstacles. The rapids in this section are characterized by steep drops, tight chutes, and large waves. One of the most challenging rapids in this section is the "Fang" rapid, which features a large, menacing rock in the middle of the river.

To ensure a safe and enjoyable experience, it is recommended that kayakers and rafters have previous whitewater experience before attempting this section. Additionally, personal flotation devices (PFDs) are required by law for all participants. It is also important to be aware of any special regulations in the area, such as restricted access during certain times of the year or designated camping areas.

Overall, the whitewater river run from Sec. 29, T.8S, R.13W to all upstream waters in Montana offers a challenging and exhilarating experience for those seeking an adventure on the water. It is important to always prioritize safety and follow all regulations to ensure a successful trip.