Kawachi River

...A river in the western part of Kanagawa Prefecture. The Ayuzawa River, which flows out from Gotemba, Shizuoka Prefecture, on the eastern foot of Mt. Fuji, flows northeast into Kanagawa Prefecture, and the Kawachi River, which originates in the western Tanzawa Mountains in the northwest of Kanagawa Prefecture and flows south, joins to form the Sakawa River, which flows southeast through the Ashigara Plain between the Hakone Volcano and the Oiso Hills, and empties into Sagami Bay at Sakawa in Odawara City. The main river has a length of 46 km and a total drainage area of ​​582 km2.

*Some of the terminology that refers to "Kawachi River" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…神奈川県西部の川。富士山東麓の静岡県御殿場付近から流出して北東流し神奈川県に入る鮎沢川と，神奈川県北西部の丹沢山地西部から発して南流する河内（かわち）川とが合して酒匂川となり，箱根火山と大磯丘陵との間の足柄（あしがら）平野を南東流して小田原市酒匂で相模湾に注ぐ。幹川流路延長46km，全流域面積582km2。…

※「河内川」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報