In the Sennichi kaihogyo (1000-day circumambulation practice) of Mt. Hiei Enryaku-ji Temple, there is a severe practice called "Sekizan Kugyo (self-torment practice at Sekizan)," in which, for 100 of the 1000 days, the practitioner goes up and down the hills from Mt. Hiei to Kirarazaka Slope.
比叡山延暦寺の延暦寺千日回峰行においては、そのうち百日の間、比叡山から雲母坂を登降する「赤山苦行」と称する荒行がある。