A major shrine rite held every twenty years at Itatehyozu Shrine, involving a week-long event with a bamboo-and-cloth mountain built at the shrine entrance and food offerings such as mochi.

A major festival at Itatehyozu Shrine held every sixty years, honoring Mt. Miya and including rituals such as worshipping three mountains from afar and carrying a sacred palanquin to the river valley.