The Birth of a Sacred Site

Ise Jingu — formally known simply as Jingu — is not a single shrine but a vast complex of over 125 individual shrines scattered across the forests of Mie Prefecture. At its heart are two principal shrines: the Naiku (Inner Shrine), dedicated to the sun goddess Amaterasu-Omikami, and the Geku (Outer Shrine), dedicated to the deity of food and agriculture, Toyouke-Omikami.

According to tradition, the Naiku was established around 2,000 years ago. Ancient chronicles describe a long search for a permanent home for the sacred mirror — the Yata no Kagami — one of Japan's three Imperial Treasures. After wandering through many provinces, the goddess Amaterasu is said to have spoken through a princess, declaring the Ise region as her chosen resting place, drawn by its pure mountains and sea.

From Myth to History

While the precise historical dating of Ise Jingu's founding is difficult to establish with certainty, archaeological evidence and textual records from the Nihon Shoki (Chronicles of Japan, compiled in 720 CE) place its founding in the early centuries of the common era. The Geku was established somewhat later, reportedly around 1,500 years ago, to ensure the goddess Amaterasu would always be provided with food.

Throughout Japanese history, the shrine's status evolved alongside the imperial institution. The Emperor was considered a direct descendant of Amaterasu, making Ise Jingu not merely a place of worship but the very source of imperial legitimacy.

The Role of the Saiō: Imperial Priestesses

One of the most remarkable institutions connected to Ise Jingu was that of the Saiō — unmarried imperial princesses who served as high priestesses at the shrine. This tradition, which lasted from the 7th century to the late 14th century, saw generations of young women leave the imperial court to lead a life of ritual purity in service to Amaterasu. Their journeys to Ise were elaborate processions described in classical literature, including references in The Tales of Ise.

Ise Jingu and Japanese Civilization

The influence of Ise Jingu on Japanese culture is difficult to overstate. It has shaped:

  • Architecture: The distinctive Shinmei-zukuri style — raised wooden structures with thatched roofs — is one of the oldest architectural forms in Japan, preserved through the Shikinen Sengu renewal tradition.
  • Literature: Countless poems in the Man'yōshū and other classical anthologies reference Ise and Amaterasu.
  • Pilgrimage culture: During the Edo period (1603–1868), mass pilgrimages called okagemairi saw millions of ordinary Japanese travel to Ise, making it one of history's great religious journeys.
  • National identity: Ise Jingu remains central to Japan's sense of cultural and spiritual continuity to this day.

A Living Monument

What makes Ise Jingu extraordinary is that it is not a museum of the past — it is a living, functioning sacred site. Daily rituals have been performed without interruption for centuries. The shrine buildings themselves are ritually rebuilt every 20 years in the Shikinen Sengu ceremony, ensuring that ancient knowledge and craftsmanship are passed down through generations. This practice means that Ise Jingu is simultaneously the oldest and newest of Japan's great monuments.

To visit Ise Jingu is to step into a continuum of faith, tradition, and human devotion stretching back across two thousand years of history.