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Okumiya Manai Jinja is located in the Amanohashidate area of Miyazu City, Kyoto, and is known as the inner sanctuary (Okumiya) of Kono Shrine (Motoise). This site is an extremely sacred space that preserves the ancient form of 'Iwakura' worship, where deities were believed to reside in natural rock formations. Within the precincts, you can witness the Iwakura (sacred rock seats) dedicated to Toyouke no Omikami, the deity of industry and sustenance (food, clothing, and shelter), and the Iwakura Nishiza dedicated to Amaterasu Omikami. This allows visitors to physically sense the presence of divine power within nature. Away from the bustle of typical tourist crowds, it offers a serene environment to touch the very roots of Japanese spiritual culture.
The Manai area has been a site of human habitation since the Jomon period. Archaeological finds, including stone axes from the Jomon era and miniature ritual pottery and magatama beads from the Yayoi period, testify to the long history of this land as a sacred site. It is also traditionally linked to the former site of the Outer Shrine (Geku) of Ise Grand Shrine. Before the construction of formal shrine buildings, the 'Iwakura faith'—where natural formations like rocks and trees themselves were worshipped as gods—remained the core of spiritual practice, a legacy that is still vividly felt in the landscape today.
The most significant feature is the 'Iwakura' (sacred rock seats) representing ancient ritual forms. The Iwakura-shuza enshrines Toyouke no Omikami, while the Iwakura-niza enshrines Amaterasu Omikami and other ancient deities. Another essential element is the 'Amanominai Water.' Legend says this water was brought down from the heavens in a golden bowl by the deity Amamurakumai and was later transferred to the Geku of Ise Grand Shrine. This connection to the sacred waters of myth makes the site a profound destination for understanding Japanese mythology.
While the shrine grounds are open 24 hours a day, visiting during daylight hours is best to fully appreciate the natural scenery and the sacred atmosphere. The landscape changes beautifully with the seasons, making it a wonderful destination year-round. For those seeking a deeper spiritual experience or a moment of quiet reflection, visiting in the early morning when crowds are minimal is highly recommended.
Visitors can learn about the traditional Japanese form of nature worship. By observing the Iwakura, you can visually understand the ancient belief system where nature itself was the deity, distinct from the architecture-focused shrines seen in cities. Learning about the legend of the 'Amanominai Water' provides a deeper insight into the importance of water in Japanese mythology. It is a perfect place to step away from daily life and reconnect with oneself.
Located in the Amanohashidate area, the shrine is easily visited alongside one of Japan's three most scenic views, Amanohashidate. Kono Shrine (the main shrine) is also nearby; visiting both the main shrine and this Okumiya will provide a deeper historical context of the 'Motoise' heritage. The surrounding Miyazu area, known as 'Sea Kyoto,' offers beautiful coastlines and many restaurants serving fresh seafood.
As this is a sacred site within a natural environment, please act with respect. Since the terrain is natural and may be uneven, wearing comfortable walking shoes is highly recommended. Please note that the availability of amulets or sacred water offerings may be limited by time or day; it is best to check in advance. Cash is the primary method of payment for any offerings or charms.