| 1．Shinmachi River |
| The Shinmachi River (新町川, Shinmachigawa) is a river found in the heart of Tokushima City in Tokushima Prefecture.[1] The Suketō River, Tamiya River, Sako River, and Sumiyoshijima River are its tributaries. At current, the non-profit organization Shinmachi Preservation Committee is in charge of keeping the river clean and holding tours around the river via boat.[2] |
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| 2．Suketō River |
| The Suketō River (助任川, Suketō-gawa), also called the Fukushima River, is a river in Tokushima Prefecture, Japan. |
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| 3．Yoshino River |
| The Yoshino River (吉野川 Yoshino-gawa) is a river on the island of Shikoku, Japan. It is 194 km (121 mi) long and has a watershed of 3,750 km2 (1,450 sq mi). It is the second longest river in Shikoku (slightly shorter than the Shimanto), and is the only river whose watershed spreads over the four prefectures of the island. |
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| 4．Dōzan River |
| 33°55′42.26″N 133°31′25.6″E / 33.9284056°N 133.523778°E / 33.9284056; 133.523778 The Dōzan River (銅山川, Dōzan-gawa) is the largest branch of the Yoshino River and flows through Ehime and Tokushima prefectures in Japan.[1] Its name was derived from the Besshi copper mine that is now closed. In Tokushima Prefecture, it is called the Iyo River (伊予川 Iyo-gawa).[2] |
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| 5．Butsubutsu River |
| The Butsubutsu River (Japanese: ぶつぶつ川) is a second-class river that flows through the Konoshiro district of Nachikatsuura Town, Higashimuro District, Wakayama Prefecture (Japanese: 和歌山県). The total length is 13.5 meters (also: 44 ft) and the river width is around 1 meter. With the designation of a second-class river in 2008, it became the shortest river in Japan under the River Law. |
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