Rengebuji Temple in Kohiei, Sado City is a Shingon ancient temple known for holding one of the three greatest Kongokai (Diamond Realm) mandalas in Japan. The tradition holds that Kukai (Kobo Daishi), on his return from Tang China, sensed the sacred nature of a holy site on Sado and recommended its founding; as Sado's foremost ancient temple it has laid the foundations of the island's Buddhist cult…

A Shingon ancient temple said to have been founded by Kobo Daishi Kukai during the Konin era (810-824). It flourished greatly in the Heian and Kamakura periods and holds many cultural properties. Many buildings including the inner shrine (okuno-in), golden hall (kondo), and multi-treasure pagoda (ta…