The river then flows south, carving a deep valley in the Shikoku Mountains, and eventually empties into the Pacific Ocean near the cities of Kōchi and Tosa.

National Route 33, which connects Matsuyama and Kōchi, runs parallel to the section from Misaka Pass through Mimido to Ochi.

In July 2012, it topped a central government-released national ranking of river water quality.

[5][7] Tourist activities include camping, fishing,[8] biking,[9][10] and various festivals.

[11] Popular sightseeing locations along the river include: The Shikoku Tosa Toki no Yoake no Monogatari sightseeing train also runs briefly along the river, allowing passengers to view it from its cars.