rivers; watercourses
A collective or formal term for rivers and streams, often used in legal, geographical, or administrative contexts. More formal than 川.
Rivers in this region are prone to rising after heavy rain.
It is managed under the River Act.
The rivers in the basin overflowed due to the heavy rain.
The Ministry of Land, Infrastructure, Transport and Tourism manages major rivers.
Every year, the city surveys the water quality of the rivers.
A new bridge was built over this river.
small and medium-sized rivers