The Kamiari Festival is one of the most symbolic rituals of the shrine of Izumo Oyashiro. Every tenth month of the lunar calendar, the deities from all over the country gather in Izumo to discuss the human relations of the coming year. This event is one of the key moments of the Shinto calendar, and offers visitors a rare overview of practices related to Japan’s founding narratives.
The meaning of the tenth month: when Izumo welcomes the deities
In most of Japan, the tenth month is called kannazuki, the month without gods, because the deities symbolically leave their shrines. Izumo is an exceptional figure: here we speak of Kamiarizuki, the month with gods. According to tradition, the eight million kami gather in Izumo Oyashiro to decide on the human ties that will be established in the following year. This particularity makes the region a place deeply associated with the themes of destiny, encounters and social harmony.
Mythological roots: the place of Okuninushi in ancient narratives
The origin of the gathering of deities finds its roots in the myth of kuni-yuzuri, intimately linked to the first written chronicles of the country. Okuninushi, a divinity venerated at Izumo Oyashiro, is described as a builder of the earthly world, carrying agricultural, medical and social knowledge. When the solar goddess Amaterasu decided that governance should return to its descendants, Okuninushi ceded the management of the visible world to receive that of the invisible world. He thus became associated with the musubi, the art of connecting beings. This symbolism goes beyond sentimental relationships: it includes friendships, family alliances, professional ties and social interactions in a broad sense.
The arrival of deities in Inasa Beach
According to Shinto belief, the deities reach Izumo by the sea. They dock in Inasa Beach, an essential site for understanding the local religious imagination. On the evening of the tenth day of the moon month, the priests set fire to guide the kami. A temporary altar, the Himorogi, is erected on the beach, and a procession then leads the deities about a kilometer to the main sanctuary.
Inasa Beach also occupies a central place in the myth of kuni-yuzuri, because here the celestial emissaries met Okuninushi. Even today, many visitors go there to take some sand. Once at the sanctuary, they lay it near Soga no Yashiro, an auxiliary sanctuary behind Honden, and then leave with an equivalent amount of blessed sand. This gesture is associated with home protection and home harmony.
Lodge the deities: the Jūkusha, the nineteen shrines
During their stay in Izumo, the deities reside in two buildings called Jūkusha. Each has nineteen doors, a characteristic charged with symbolism: in ancient thought, the number 的1 The association of the two created the idea of an infinite space, capable of welcoming the countless kami present at the festival. These buildings, built in the early 19th century, are the most recent buildings of the sanctuary to house deities.
Apart from the festival, the Jūkusha offer prayers to divinities located in other regions, demonstrating their ritual importance throughout the year.
A Time for Deliberation: How Human Linkages Are Decided
Human relations decisions are made at Kaminomiya Shrine, about one kilometre west of Izumo Oyashiro, not far from Inasa Beach. For seven days the deities silently deliberated there. Both residents and visitors show deep respect for these discussions, avoiding noisy activities. Rituals, dances and music are voluntarily attenuated. Historically, even the structural work in the surrounding neighbourhoods was suspended.
The departure of deities: the Karasade Festival
The seventeenth day of the month marks the end of the rally. The Karasade Festival celebrates the gradual return of the deities to their original shrines. The priests move the goshintai from the Jūkusha to the Haiden for a dedication ceremony. The high priest then officially announced the departure by striking three times at the inner door of the Honden.
The deities remained for some time in the area, and a second Karasade Festival took place on the twenty-sixth day. The Jūkusha gates are closed, marking the end of the annual cycle and the beginning of preparations for the following year.
Practical information for planning a visit
The festival dates follow the lunar calendar. For 2025, the event takes place from 29 November to 6 December. This period attracts visitors from all over the country, but the atmosphere remains recollection. A visit to Izumo during the Kamiari Festival offers a unique immersion in traditions rarely accessible elsewhere. To fully enjoy the stay, it is advisable to plan a passage to Inasa Beach, a walk around the sanctuary and a moment dedicated to the discovery of Soga no Yashiro and Jūkusha.
Schedules and rates
Izumo Oyashiro welcomes visitors on a wide time range, allowing you to discover the places in calm conditions, especially early in the morning. Access to the sanctuary is free, which facilitates a thorough exploration of the site, including auxiliary shrines and ritual spaces related to the festival. Certain special ceremonies or spaces may be subject to ad hoc restrictions depending on the preparations for the Kamiari Festival.
The Kamiari Festival represents a unique opportunity to approach shinto beyond its visible aspects. In Izumo, the reception of divinities, the symbolism of places and mythological narratives intertwine with living practices. For curious travellers of Japanese culture, this period provides an ideal framework for understanding how the values of destiny, relationships and social harmony are transmitted.
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