Oigawa River

Japanese: 大堰川 - おおいがわ

A river that originates on the eastern edge of the Tanba Highlands in Kyoto Prefecture and merges with the Yodo River. It is 83 km long and has a drainage area of 770 ^km2 . The area south of the Kameoka Basin is called the Hozu River, and the area south of Arashiyama is called the Katsura River. In ancient times, the area south of Arashiyama was called the Kadono River, and the basin was developed early on, with many ruins and ancient tombs from the Yayoi period. From the 5th century onwards, development was promoted by the Hata clan, who were immigrants and settlers, and the Kadono Weir (Kazuno River Weir) was constructed. In the Middle Ages, the Katsura River Irrigation Canal was excavated to irrigate the manors on both sides of the basin. The abundant water makes it easy to transport goods by water, and after the construction of Heian-kyo, various goods such as black wood and firewood and charcoal were transported from Tanba, and many ports such as Katsurazu and Umezu developed as distribution centers. Umezu in particular was bustling as a lumber port, with many lumberyards. This lively water transport continued into modern times, but after the Hozukyo Gorge was renovated by Ryoi Suminokura at the beginning of the Edo period, it became possible for Takase boats to pass through, and the transport of timber by raft became even more popular. The San'in Main Line runs through the middle part of the river valley.
→Related topics Kameoka [city] | Kameyama | Kyoto [prefecture] | Keihoku [town] | Hiyoshi [town] | Yagi [town]

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

京都府の丹波高地東縁に発し淀川に合流する川。長さ83km，流域面積770km²。亀岡盆地以南を保津(ほづ)川，嵐山以南を桂川と呼ぶ。嵐山以南を古代には葛野(かどの)川といい，流域は早くから開発されていて弥生時代の遺跡や古墳が多い。５世紀以降は渡来人の入植者である秦(はた)氏によって開発が進められ，〈葛野大堰（葛野川堰）〉が築造された。中世には流域両岸の諸荘園を灌漑(かんがい)する目的で桂川用水が開削されている。水量豊富であるため水運の便に恵まれ，平安京造営以後丹波から黒木，薪炭などの諸物資が運ばれ，集散地として桂津，梅津など多くの津が発達，特に梅津は材木の津として賑わい，多くの木屋が存在した。この水運の活発な動きは近代にまで至るが，江戸時代初めの角倉了以による保津峡改修後は高瀬舟の通航が可能になり，また筏(いかだ)による木材搬出がいっそう盛んになった。中流部の河谷を山陰本線が通じる。
→関連項目亀岡［市］｜亀山｜京都［府］｜京北［町］｜日吉［町］｜八木［町］

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