Iwakura rock
Shinto sacred rock
Iwakura (磐座) refers to the belief in rocks as yorishiro containing kami in ancient Shinto. It also refers to the rock itself, which is the object of worship.
Overview
Nature worship, also known as spirit worship or animism, is a type of base faith that has been present in Japan since ancient times. This form of worship revolves around the belief in gods and spirits that reside in nature. In Shinto rituals, gods are said to have descended from shintai, a rock, and the yorishiro, called himorogi, was made the center of the ritual, symbolizing the divine power of the gods.
As time passed and temples, where gods were believed to reside, became more permanent, the object of worship shifted from the body of the gods to the shrine itself. Sacred trees and stones, adorned with shimenawa ropes, can still be seen in many temple precincts.
Not every rock is regarded as sacred: distinguishing features such as unusual size, shape, colour, patterns, or chisel marks are what allow a rock to be identified as sacred, evoking a sense of mystery. In addition to rocks, there are several other forms of belief in nature in Japan, including Chinju no Mori, the "island" as a forbidden area, the Okinoshima of Munakata Taisha, belief in mountains such as Rokko Himei Shrine and Mount Miwa, belief in fire, waterfalls, and various weather phenomena such as wind, rain, and lightning.
There is also mention of another rock-related object called Iwasaka, which is believed to be a ritual site centered on a rock.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 16, 2026. The linked authority identifier is Q11587880. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Iwakura rock” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.