Amami Yasakawa is the river which is located 500 meters back from Iwato River from Nishinomiya of Amaisei Shrine, and 8 million gods gathered and consulted during the Iwato hiding emerging, according to tradition of Japanese mythology. There is a Cheonan Kawahara shrine in the cave called “gypsum woods” in the central part of Kawahara, and a hundred thousand gods are enshrined with the thought god as the main god ritual.