Onoshima Falls was used for Takigyo by Priest Gakumei that established the faith of Ontake.
Onoshima Falls (尾ノ島の滝) is one of waterfalls located in Kiso, Nagano. It is about 30m tall. Its water is coming from Mt. Ontake. It was used for Takigyo for Shugendo.
Tourist Info.
There is parking.
Access
0. at Kiso-Fukushima Station.
1. drive route 20 to Kaida Highland.
2. make left at the sign.
30 min
New Wave Samurai Movie. 
映画好き集まれ！ 
Onoshima Falls was used for Takigyo by Priest Gakumei that established the faith of Ontake.