Okawagari - Okawagari

…After the fall of Osaka Castle, Ieyasu granted Yoshinao of Owari the important territories of Kiso, Urakiso, and Mino, and exerted strong control over the Kiso River. Because it was difficult to travel by raft upstream, Kiso timber was floated in pieces, known as Okawa-gari, and was then carried downstream by raft from Nishikori Tsunaba via Kaneyama, Inuyama, and Enjoji to Shiratori Kiba in Atsuta. The Kobe clan of Inuyama and the Nonoguchi clan of Enjoji had held great interests in the downstream transport from early on. …

*Some of the terminology that refers to "Okawa hunting" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…大坂落城後，家康は尾張の義直に木曾，裏木曾，美濃の要地を加封し，木曾川にも強い支配力をおよぼさせた。木曾材は上流でのいかだの往来が困難なので大川狩りといってばらばらのまま流され錦織綱場から下流はいかだで兼山，犬山，円城寺を経て熱田白鳥木場に川下げされた。犬山の神戸氏，円城寺の野々垣氏が，早くから川下げに大きな権益を有していた。…

※「大川狩り」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