Deep in the Nagai Lake, a canoe field that fits the word "unexplored region" perfectly!From the start, it takes about one hour each way to paddle through a V-shaped canyon with mountains towering hundreds of meters above the ground.What appears before your eyes is a powerful cliff more than 50 meters high.Prayers are offered to nature and God, and as you enter the sacred area, the air inside is cool and refreshing even in mid-summer.Stretching for about 250 meters, Sanbuchi Gorge is a power spot with a legend.