Jofu Waterfall is a 40m waterfall on the Osawagawa River in a rugged ravine surrounded by the koyo peak during our visit to Kusatsu Onsen in Gunma, Japan.

Naena Waterfall (苗名滝; Naena Falls) is a 55m falls on Sekigawa plunging over a pronounced basalt cliff where we saw the near peak of the koyo in Niigata, Japan.