Riding on a train south from Hida-Takayama for 30 minutes, or north from Gero Hot Spring for 20 minutes. Hida-Osaka spreads at the foot of Mt. Ontake of 3067m/10000ft. The river water of Hida-Osaka is very clear due to the huge amount of spring water and deep forests of the mountain. On this tour, you can enjoy not only the latest popular canyoning, but also the traditional Japanese mountaineering and river trekking called "shower-climbing."