The , also called the Fukushima River, is a river in

Tokushima Prefecture is a prefecture of Japan located on the island of Shikoku. Tokushima Prefecture has a population of 728,633 (1 October 2019) and has a geographic area of 4,146 km2 (1,601 sq mi). Tokushima Prefecture borders Kagawa Prefecture to the north, E ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

Course

It starts on the western side of Hyōtan-jima where the

Shinmachi River The is a river found in the heart of Tokushima City in Tokushima Prefecture. The Suketō River, Tamiya River, Sako River, and Sumiyoshijima River are its tributaries. At current, the non-profit organization Shinmachi Preservation Committee is ...

hits the Mitsuai Bridge and runs around to meet the river again to the east. The river passes through the Maegawa, Suketō, Fukushima, and Hyōtan-jima districts, as well as several others. In midstream, the Suketō River branches out into the Ōokagawa and Sumiyoshi-jima Rivers, and is known by some people as the "Fukushima River" in the area where it passes by the district of the same name. The Suketō River is crossed by the Mitsuai, Maegawa, Nishi no Maru, Suketō, New Suketō, Myōjin, Tokusumi, Fukushima, Sumiyoshi, New Fukushima, Nakazu and several other bridges.

Ecology

According to research in the year 2006, the river has a

chemical oxygen demand In environmental chemistry, the chemical oxygen demand (COD) is an indicative measure of the amount of oxygen that can be consumed by reactions in a measured solution. It is commonly expressed in mass of oxygen consumed over volume of solution whic ...

of around 4–5 parts per million, making it slightly dirtied, but the water is clear to 50 cm in depth and still relatively clean. The Shinmachi Preservation Committee is working towards keeping the river and its waterways clean. In the year 2007, a

stingray Stingrays are a group of sea rays, which are cartilaginous fish related to sharks. They are classified in the suborder Myliobatoidei of the order Myliobatiformes and consist of eight families: Hexatrygonidae (sixgill stingray), Plesiobatidae ( ...

was found living in the waters of the river. While the details remain unknown, it is said to have made its way there from the mouth of the

Yoshino River The Yoshino River (吉野川 ''Yoshino-gawa'') is a river on the island of Shikoku, Japan. It is long and has a watershed of . It is the second longest river in Shikoku (slightly shorter than the Shimanto), and is the only river whose watershe ...

Fukushima River

The Fukushima River is another name for the Suketō River, mostly supported by those living further downstream of the river than the Fukushima Bridge. While the name 'Fukushima' refers to one of the prefectures in Japan, it is also a suburb in Tokushima City. The river is recorded as "Suketō River" on the Fukushima Bridge, and as "Fukushima River" on the New Fukushima Bridge.

References

{{DEFAULTSORT:Suketo River Rivers of Tokushima Prefecture Rivers of Japan