Mt. Misen main hall was built in 806 on the site where Kobo Daishi practiced asceticism, and is located across from Reikado.
Akasagarbha bodhisattva is the principal object of worship.
The big temple bell inside the hall was donated by Taira no Munemori (1147-1185), the third son of Taira no Kiyomori, a military commander.