Enshrines: Amaterasu Omikami.

the cave of Amano Iwato appears in both Kojiki and Nihonshoki. They are the oldest Japanese historical records, which are also considered as the Japanese myth. Amaterasu Omikami, the prime god of Japan, hided in this cave when her brother Susano no Mikoto visit the heaven. However, because she was the god of Sun, the world lost the light and many disasters happened. So, other gods had a party to let her out from the cave.

Amanoyasu Riverside
... is where other Japanese gods had a meeting for negotiation to Amateraso.

Matsuri of the shrine
Spring Matsuri May 2 to 3.
Autumn Matsuri September 22 to 23.
Amano Iwato Yokagura Matsuri November 3.