Koyasan is a mountain for buddhist ascetic training and destination of pilgrimage where the famous monk—Kukai, started to builds his temples here A.C 819. The mountain is not only famous for its many temples, but also for the tombs lying along the approach leading to main building ( which in Japanese is called Okunoin). Except for the tombs for normal people, here, you can also find tombs for famous military commanders during the Sengoku period, such as Oda Nobunga and Akechi Mitsuhide, and more interestingly, tombs of cooperations, including the giants of different industries, such as Nintendo, Kirin Group, and Panasonic. If your are looking for experience of learning about the past and present of Japan in the nature, Koyasan is your place of choice.