Tokachi River
Tokachi River (十勝川, Tokachi-gawa) is a river in Hokkaidō, Japan.
| Tokachi River Tokachi-gawa, Tokapci | |
|---|---|
Iwamatsu Dam in Shimizu (September 2007) | |
| Native name | |
| Location | |
| Country | Japan |
| State | Hokkaidō |
| Region | Tokachi |
| District | Kamikawa, Nakagawa |
| Municipalities | Shintoku, Toyokoro |
| Physical characteristics | |
| Source | |
| • location | Shintoku, Hokkaidō, Japan |
| Mouth | Pacific Ocean |
• location | Toyokoro, Hokkaidō, Japan |
• coordinates | 42.6950°N 143.6661°E |
• elevation | 0 m (0 ft) |
| Length | 156 km (97 mi)[1] |
| Basin size | 9,010 km2 (3,480 sq mi)[1] |
| Discharge | |
| • average | 71 m3/s (2,500 cu ft/s) |
| Basin features | |
| Population | 340,000[1] |
Etymology
In 1820, the explorer Takeshiro Matsuura (松浦 武四郎) proposed "Tokachi" as the name of the surrounding Tokachi Province, with each character corresponding to a Japanese homophone. The province was named after this river, which in turn was derived from the Ainu language word "tokapci" (トカㇷ゚チ).
Although the exact origins of "tokapci" were unknown, Hidezo Yamada, an Ainu language researcher, proposed these origins:
- tokap-usi ("breast, somewhere")
- toka-o-pci ("swamp, around a place, either")
References
- 日本の川 - 北海道 - 十勝川 [Rivers of Japan - Hokkaidō - Tokachi River] (in Japanese). Water Management and Land Conservation Bureau, Ministry of Land, Infrastructure, Transport and Tourism. Archived from the original on 10 February 2024. Retrieved 10 February 2024.
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