[1] The river rises on the slopes of Mount Jinroku (神六山, 447 m), located in the Takeo city.

In the mountains it joins Takeo River, then flows through the Shiroishi plain.

[1] It is designated as a Class A river by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT).

[1] About 37 % of the catchment is covered by natural vegetation, about 50 % — agricultural lands, about 13 % is built up[2] The bottom gradient is about 1/60 in the upper reaches, 1/150-1/1000 in the middle and 1/1500-1/45000 in the lower part.

The 1953 flood caused the death of 3 and submersion of 14000 homes.