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LATENT REFERENCES / TAG3

Iwafune Shrine

This reference note belongs to Tag3 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Theoria. The note preserves its source text and links so that readers can trace the material behind the 3D map.

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Tag3
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Theoria

Archived reference note

English translation of the archived note. JP shows the original text. Source links and literal code are retained; the translation does not update or independently verify the source claims.

https://scrapbox.io/files/6a60834ac66da3b7e87e15dd.png https://www.iwafune-jinja.net/ “A ship as sturdy as rock” or “a god's flying vehicle” appearing in Japanese mythology. In Kojiki and Nihon Shoki), it is known as the “Ama-no-Iwafune (heavenly rock boat)” ridden by heavenly descendant Nigihayahi-no-Mikoto when descending from Takamagahara (the heavenly realm) to earth. Literally “a ship made of rock,” described in ancient writings as a vehicle flying between heaven and earth. Also sometimes used as an archaic term for a sarcophagus (a coffin made of stone). A shrine worshipping the Mononobe clan’s distant ancestral deity, the heavenly descendant Nigihayahi-no-Mikoto. A sacred site of Nigihayahi-no-Mikoto's descent, with the heavenly rock boat as its sacred object. The pacification ritual of the Ten Sacred Treasures is the foundation of Japanese prayer, received from Amaterasu by Nigihayahi and transmitted by him. A shrine recounting Japanese religious history: nature/huge-stone worship/descent of heavenly deities/arrival of Buddhism/Shinto-Buddhist syncretism/separation of Shinto and Buddhism. Amateru Kuniteru Hiko Ame no Hoakari Kushitama Nigihayahi no Mikoto (Nigihayahi no Mikoto) (Amateru Kuniteru Hiko Ame no Hoakari Kushitama Nigihayahi no Mikoto) Known since ancient times as a training site for Shinto practitioners and Shugendo, the grotto formed by numerous huge rocks becomes a broad cave in some places and a narrow hole barely large enough for a single person to pass through in others. The Amanogawa flows into it, becomes a torrent, and erodes the rocks; it is said that even those who know no special ascetic practices can undergo training simply by touring the grotto. This grotto is open to visitors. To preserve its original appearance, safety measures are kept to the minimum necessary, so visitors are requested to observe the following. 1. Wear ritual clothing (shirotasuki; available to borrow at the shrine office). 2. Change slippery shoes for straw sandals (ibid.). 3. Age restrictions (10 years or older, under 75). 4. Not allowed after drinking alcohol 5. Visits are unavailable at night, in rain, or during high water. Visits to sacred rocks and rock-carved Buddhas An ancient Japanese belief that huge or unusual rocks house divine spirits or receive their descent. Many rock-carved Buddhas are carved into rocks believed to house gods.

Source updated 2026-07-22 · Snapshot 2026-10-08