[1] The kami enshrined at Imizu Jinja is: The foundation of shrine is uncertain, but is believed to be from before the Nara period.

According to shrine legend, Mount Futagami was worshipped as a sacred mountain since ancient times.

In 854 AD, it was granted Junior 3rd Rank Nihon Montoku Tennō Jitsuroku, and in 859 AD advanced to Senior 3rd Rank per the Nihon Sandai Jitsuroku.The name of the shrine appears in a poem by Ōtomo no Yakamochi in the Man'yōshū poetry anthology, which is another indication of its fame and status.

After the establishment of the Tokugawa shogunate, it was patronized by the Maeda clan and ancient yamabushi rituals were revived.

[2] Following the Meiji restoration, the shrine was deprived of its revenues under the shinbutsu bunri decrees and its Buddhist facilities quickly fell into ruin.