Mount Misen (弥山 Misen?) is the sacred mountain on the sacred island Itsukushima in Hatsukaichi, Hiroshima, Japan; it is situated within the World Heritage area of Itsukushima Shrine. The sea around the island (Seto Inland Sea) and all of the island are within Setonaikai National Park. The north side of the mountain is covered by primeval forest which is protected by Hiroshima prefecture. The northern foot of the mountain has buildings, including the temple of Daishō-in. Behind Itsukushima Shrine is Momijidani-Kōen (紅葉谷公園 Maple Valley Park?). Mount Misen was visited by Kūkai in the year 806, the 1st year of the Daidō era. Since ancient times, the mountain has been an important destination for religious visitors.