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Who Are the Koropokkuru? The Legend of Ainu’s Little People

Koropokkuru with long limbs under butterbur leaves in vivid Hokkaido landscape, ukiyo-e style.

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禅門道.

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In Shiraoi, Hokkaido, the legend of the Koropokkuru—a mysterious race of little people who lived under butterbur leaves—continues to capture the imagination of many. This tale, deeply rooted in Ainu folklore, offers a glimpse into the rich cultural tapestry of Japan’s northernmost island.

Koropokkuru with long limbs under butterbur leaves in vivid Hokkaido landscape, ukiyo-e style.
AI生成イメージ / AI-generated illustration (not a photograph of the actual place)

Who Are the Koropokkuru in Ainu Folklore?

LEGEND: The story of the Koropokkuru

According to Ainu folklore, the Koropokkuru were a race of small, human-like beings who inhabited Hokkaido long before the Ainu people arrived. They were said to be only a few feet tall, with long arms and legs, and lived under the large leaves of the butterbur plant, which they used as makeshift shelters. The name ‘Koropokkuru’ itself is derived from the Ainu words ‘koro’ (meaning ‘people’), ‘pok’ (meaning ‘under’), and ‘kuru’ (meaning ‘leaf’), thus translating to ‘people under the leaves’. This etymology reflects their intimate connection with nature, emphasizing their small stature and their resourcefulness in using the natural environment for protection and shelter.

LEGEND: Silent trade with the Ainu

Local tradition holds that the Koropokkuru engaged in a form of silent trade with the Ainu. The Koropokkuru would leave fish and game on the riverbanks for the Ainu, who in return would leave goods such as rice and sake. This exchange was conducted without direct contact, as the Koropokkuru were said to be shy and wary of humans. However, one story recounts how an Ainu man, curious about these mysterious benefactors, hid near the riverbank and managed to catch a Koropokkuru. The captured being was so ashamed of being seen that it vanished, and from that day on, the Koropokkuru were never seen again. This tale underscores the delicate balance and mutual respect that once existed between the Koropokkuru and the Ainu, highlighting the fragility of their relationship.

The Meaning Behind the Name: Life Under Butterbur Leaves

FACT: The significance of butterbur leaves

The butterbur plant, known as ‘fuki’ in Japanese, plays a significant role in the legend of the Koropokkuru. These large, broad leaves provided the perfect cover for the diminutive Koropokkuru, symbolizing their connection to the natural world and their resourcefulness in using the environment to their advantage. The butterbur plant is native to Hokkaido and is commonly found in damp, shaded areas, which aligns with the traditional habitat of the Koropokkuru as described in Ainu folklore. The choice of the butterbur leaf as their shelter not only highlights their small size but also their adaptability and harmonious relationship with nature.

FACT: The cultural symbolism of the butterbur

Beyond its practical use as a shelter, the butterbur leaf holds cultural significance. In many cultures, plants and their characteristics are often imbued with symbolic meanings. For the Koropokkuru, the butterbur leaf represents protection and invisibility, allowing them to live undetected by the larger world. This symbolism is a testament to their elusive nature and the mystery that surrounds them in Ainu folklore.

Inkura - Shiraoi, Hokkaido, Waterfalls in Hokkaido
“Inkura” (Shiraoi, Hokkaido, Waterfalls in Hokkaido) by Tomo200006, CC BY-SA 3.0, source, via Wikimedia Commons

Why Did the Koropokkuru Disappear?

LEGEND: The end of the Koropokkuru

Various accounts explain the disappearance of the Koropokkuru. One popular version suggests that after the incident of being seen by an Ainu, the Koropokkuru felt their privacy was violated and chose to leave the area. Another theory posits that the arrival of the Ainu and subsequent changes in the environment led to their decline. Despite these tales, the Koropokkuru remain a cherished part of Ainu oral tradition, symbolizing the mystery and allure of the unseen world. These stories serve as a reminder of the delicate balance between human expansion and the preservation of mythical and natural worlds.

Connecting Folklore to History: Stone Age Pit-Dwellings

FACT: Archaeological connections

Some researchers suggest a historical basis for the Koropokkuru legend, linking it to the ancient Jomon people who inhabited Japan during the Stone Age. The Jomon were known for their pit-dwellings, which could have inspired the idea of small beings living close to the earth. While there is no direct evidence connecting the Jomon to the Koropokkuru, the similarities in lifestyle and dwelling types provide an intriguing possible connection between folklore and history. This potential link invites further exploration into how ancient peoples may have influenced the myths and legends that have been passed down through generations.

FACT: The Jomon culture and its influence

The Jomon culture, characterized by its unique pottery and pit-dwelling lifestyle, represents one of the earliest known cultures in Japan. The possibility that the Koropokkuru legend could be rooted in the Jomon way of life adds a layer of historical depth to the folklore. It suggests that the stories of the Koropokkuru may have been inspired by real historical interactions, blending myth with the reality of ancient human habitation in Hokkaido.

Shiraoi Town Hall - Shiraoi, Hokkaido, Town halls in Hokkaido
“Shiraoi Town Hall” (Shiraoi, Hokkaido, Town halls in Hokkaido) by Ozizo, Public domain, source, via Wikimedia Commons

Exploring Ainu History and Culture at Upopoy in Shiraoi

FACT: Ainu cultural preservation

For those interested in learning more about Ainu culture and the legend of the Koropokkuru, the Upopoy National Ainu Museum and Park in Shiraoi is a must-visit. This cultural complex is dedicated to preserving and promoting Ainu heritage, offering visitors a chance to explore exhibits on Ainu history, art, and traditions. The museum provides valuable insights into the rich cultural legacy of the Ainu people and their folklore, including the stories of the Koropokkuru. Visitors can engage with interactive displays and participate in cultural workshops, gaining a deeper understanding of the Ainu way of life and their enduring myths.

Nearby Guide

Nearby sights

  • Shiraoi Falls (Shiraoi) — A scenic waterfall located in the Shiraoi area, offering picturesque views and a tranquil environment for visitors to enjoy nature’s beauty. details

Where to stay

  • Shiraoi Urban Area (Shiraoi) — The central area of Shiraoi Town, offering various accommodations, dining options, and access to local attractions. It’s a convenient base for exploring the region. details

Where to eat

  • Shiraoi Omotenashi Guide Center (Shiraoi) — A facility managed by local members to provide visitors with information about Ainu culture, history, and local attractions. It offers guided tours and serves as a venue to learn about the rich nature and culture of Shiraoi. official site
Locator map of Japan: Shiraoi, Hokkaido
Legend site: Shiraoi, Hokkaido — Source: Map of Japan with highlight on 01 Hokkaido prefecture.svg; Map: Lincun, CC BY-SA 3.0, via Wikimedia Commons

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Sources

To explore further, visit Kawara Kobo (瓦工房) for a hands-on kawara experience and Onigawara Experience for hands-on onigawara experiences in Japan.

About the author

JAPAN ESSENCE Editorial Team
Our mission is to bring you Japan’s legends, myths, festivals and living traditions, through both historical fact and the stories passed down over generations.

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