Teshio River
| The Teshio River (天塩川, Teshio-gawa) is a river in Hokkaidō, Japan. At 256 kilometres (159 mi), it is the second-longest river on the island (after the Ishikari) and the fourth-longest in the country (after the Shinano, Tone, and Ishikari).[2] A Class A river, the Teshio is the northernmost major river in Japan, and has been designated Hokkaidō Heritage.[2][3][4] Matsuura Takeshirō is said to have come up with the name "Hokkaidō" during his exploration of the river's interior.[5] | ||||||
| Source： Mount Teshio | ||||||
| Mouth： Sea of Japan | ||||||
| Length： 256 km (159 mi) | ||||||
| Basin size： 5,590 km2 (2,160 sq mi) | ||||||
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