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主石神社 (常陸國式内小社)

Ibaraki

Located in the prefecture of Ibaraki, Mainstone Shrine (, Ōseki-jinsha) is a small shrine dedicated to a local deity revered by the ancient inhabitants of the region known as Ōsato Province. The shrine's architecture reflects the regional style of 'Inago-style' shrines, characterized by simple, rustic structures with curved eaves and ornate doors. As one of Japan's oldest shrines, Mainstone Shrine has played an important role in preserving the traditional customs and rituals of the region.

Religion
shinto
Enshrined kami
null
Kami enshrined
null
Coordinates
36.2067721, 140.4377746

Visitor tip

To respect the shrine's historic atmosphere, visitors are advised to remove their shoes before entering the main hall and not to take photos inside the shrine's inner sanctum.

Cultural notes

The shrine is said to be associated with the worship of a local kami, believed to reside within the nearby Mainstone Hill. According to legend, the deity was instrumental in protecting the region from invaders and is still revered today for its strength and protection. The shrine also hosts an annual festival (, Ōsato Matsuri) in July, which features traditional performances, food stalls, and games.

Historical note

Founded during the Nara period (710-794 CE),

More shrines in Ibaraki