File:Yahagi Dam lake.jpgDescriptionYahagi Dam lake.jpg English: Lake Okuyahagiko (view from Yahagi Dam). 日本語:奥矢作湖(矢作ダムより望む)。 Date 6 May 2008 Source Photographed by Qurren with
File:Lake Okuyahagiko.jpgLake Okuyahagiko(Yahagigawa river/Aichi Pref./Japan) 奥矢作湖(愛知県・岐阜県。矢作川) English author name string: 河川一等兵 URL: https://commons.wikimedia