There is the well-maintained park at the end of a path through a forest, about 700m upward along with the Okudano river from the Okudano village. The waterfall of Okudano would be about 100m down from the park.
According to the Wakasakokushi, it says that:
There is the waterfall of Dano in the Okudano village. Going through rocks on cliff, then you would find the waterfall. The water would be like rain, and you would feel cold if you go down of the waterfall.
According to the Kuchinatasonshi, it mentions another waterfall, the waterfall of Irahara, which is upper parts of this one, and the forests of Shinnou.
Explanation 
Okudano ku
