Tokachi River

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River in Hokkaidō, Japan

十勝川 (Japanese)
トカㇷ゚チ (Ainu)

LocationCountryJapanStateHokkaidōRegionTokachiDistrictKamikawa, NakagawaMunicipalitiesShintoku, ToyokoroPhysical characteristicsSource • locationShintoku, Hokkaidō, Japan MouthPacific Ocean

• location

Toyokoro, Hokkaidō, Japan

• coordinates

42°41′42″N 143°39′58″E / 42.6950°N 143.6661°E / 42.6950; 143.6661

• elevation

0 m (0 ft)Length156 km (97 mi)^[1]Basin size9,010 km² (3,480 sq mi)^[1]Discharge • average71 m³/s (2,500 cu ft/s) Basin featuresPopulation340,000^[1]

Tokachi River (十勝川, Tokachi-gawa) is a river in Hokkaidō, Japan.

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

^ ^a ^b ^c 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.

River systems and rivers of Japan

Rivers of Hokkaido

Sea of Japan	Ishikari River Chitose River Toyohira River Makomanai River Anano River Yūbari River Koetoi River Rumoi River Shiribeshi-Toshibetsu River Shiribetsu River Teshio River Zenibako River
Sea of Okhotsk	Abashiri River Shibetsu River Shokotsu River Tokoro River Yūbetsu River
Pacific Ocean	Akan River Kushiro River Mitsuishi River Mu River Niikappu River Saru River Shizunai River Tokachi River
Rivers of Hokkaido on Commons

Rivers of Honshu

Tōhoku region	Abukuma River Arakawa River Iwaki River Kitakami River Komagome River Koyoshi River Mabechi River Mogami River Natori River Ōhata River Oirase River Omono River Takase River Yoneshiro River
Kantō region	Arakawa River Edo River Fuji River Kanda River Kuji River Naka River Sagami River Sumida River Tama River Tone River Tsurumi River
Chūbu region	Agano River Shinano River Seki River Hime River Kurobe River Jōganji River Jinzū River Shō River Oyabe River Tedori River Kuzuryū River Fuji River Abe River Ōi River Sakawa River Tenryū River Toyo River Yahagi River Shōnai River Kiso Three Rivers Kiso River Nagara River Ibi River Kushida River Miya River Kita River Minami River
Kansai region	Choshi River Ibo River Kako River Kinokawa River Kumano River Kuzuryu River Maruyama River Muko River Yamato River Yodo River Yasu River Katsura River Kamo River Kizu River Dōton River Yura River
Chūgoku region	Asahi River Ashida River Gōnokawa River Hino River Hii River Ōta River Oze River Saba River Sendai River Takahashi River Takatsu River Tenjin River Yoshii River

Rivers of Shikoku

Aibiki River
Shimanto River
Shinmachi River
- Suketō River
- Tamiya River
- Sako River
- Sumiyoshijima River
Yoshino River
- Dōzan River

Rivers of Kyushu

Kyushu	Arie River Chikugo River Kikuchi River Kuma River Mimi River Ōno River Ōyodo River
Yaeyama Islands	Kokuba River Nakama River Urauchi River