Iide River

…A river originating in the Iide mountain range on the border between Niigata and Yamagata prefectures, its upper reaches are called the Iide River. It becomes the Kaji River near Akaya, and flows through the northern part of the Echigo Plain together with the Uchinokura River, Himeda River, and Sakai River, flowing south of the Kambara Sand Dunes before joining the Agano River near its mouth. …

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…新潟･山形県境の飯豊（いいで）山系に発する川で，上流を飯豊川と呼ぶ。赤谷付近から加治川となり，内ノ倉川，姫田川，坂井川を合わせて越後平野北部を貫流し，蒲原砂丘列の南側を流れて阿賀野川の河口付近で同川に合流する。…

※「飯豊川」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