Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The Shirakawa river (Japanese: 白川) is a first-class river that runs down from Mount Aso through Kumamoto. In the past the Shirakawa River has overflowed and led to severe flooding such as during the 1953 North Kyushu flood.