Ohara River

…Its length is about 20 km, and its drainage area is 67 km2. The upper reaches are also called the Ohara River, and the middle reaches are called the Yase River. The Wakasa Highway runs through the valley of the Takano River from Kyoto, through Ohara, over a mountain pass, through Omi Kutsuki, and on to Wakasa, making it an important transportation route since ancient times. …

*Some of the terms mentioned in relation to "Ohara River" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…延長約20km，流域面積67km2。上流を大原川，中流を八瀬川とも呼ぶ。高野川の河谷には，京都から大原を経て途中峠を越え，近江朽木に抜けて若狭に至る若狭街道が通じ，古代から重要な交通路であった。…

※「大原川」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