Mount Ishizuchi is a 1,982 metres (6,503 ft) high mountain on the border of Saijō and Kumakōgen, in Ehime, Japan. This mountain is one of the 100 famous mountains in Japan. It is the tallest mountain in Western Japan. Mount Ishizuchi is the highest mountain on the island of Shikoku and also the highest mountain west of Mount Haku on the border of Ishikawa and Gifu prefectures. It is known as 'the roof of Shikoku' and the sharp, rocky summit resembles a huge stone hammer.
Mount Ishizuchi is an important object of worship in this region and one of the major centers of Shugendō, a sect of mixture of Shintoism and Buddhism. On the top of the mountain there is a small shrine called the Ishizuchi Shrine. This mountain is also known as one of Seven Holy Mountains. There are several sets of heavy chains leading up to the summit and this is the route many pilgrims opt to take, the longest set being 68m.