Lesser run sections of grade 2 exist, the first of which runs down to the put-in of Access 14 and the lower section runs from Blue Pool to Turangi. Sections of nearly unpaddleable whitewater fill the two main gorges, Tree Trunk Gorge and Waikato Gorge.
Smaller grade 2 sections exist; the first begins at the put-in for Access 14 and continues down to Blue Pool. The lower section extends from Blue Pool to Turangi. Two major gorges, Tree Trunk Gorge and Waikato Gorge, contain stretches of whitewater that are challenging to paddle.