Tengu: From Mountain Guardians of Shugendo to the Long-Nosed and Crow Tengu of Japanese Folklore
Spirits of the Mountains: How the Japanese First Met the Tengu
Deep in a mountain forest of towering cedars, a thunderous crash rings out, as if a giant tree has fallen. Yet when people rush to look, not a single tree is down. Woodcutters and mountain workers called this tengu-daoshi, "the tengu's felling," and trembled at what they believed was the anger of the mountain god. Children who vanished without a trace in the hills, said to be "spirited away," and pebbles that rained down from mountaintops, called tengu-tsubute, were also explained as the work of the tengu.
Every mysterious event in the mountains beyond human understanding was blamed on them.
A red face and a long nose, the robes of a mountain ascetic, wings on the back, a feathered fan in hand, and one-toothed wooden clogs for flying through the sky: this is the image of the tengu most of us share today.
Yet looking back through history, the tengu's appearance and character changed dramatically from age to age. From an ill-omened meteor in ancient times, to an enemy of Buddhism in the medieval period, to a deified form of the yamabushi mountain ascetics, and finally to a figure of Edo-period folk tales and yokai art, no other being reflects the light and shadow of Japanese spiritual history as vividly as the tengu.
For people in ancient and medieval Japan, the mountains were an otherworld clearly separated from everyday life in the villages below. They were sacred places where ancestral spirits rested and gods and buddhas dwelled, and at the same time dangerous realms where a single misstep could cost you your life. Faced with unexplained phenomena and the fury of nature in the mountains, people imagined an invisible master, the tengu, with a mixture of awe and fear.
The tengu was, in a sense, a protective wall of imagination that allowed people to make peace with the mysteries of nature and coexist with the vast presence of the mountains.
From "Heavenly Dog" to Enemy of Buddhism: Meteors, Birds of Prey and Buddhist Thought
The word tengu first appears in ancient Chinese astronomy and astrology. Tiangou, the "heavenly dog," referred to a great meteor or fireball tearing across the sky. Its roar and flash were compared to a dog howling as it ran, and it was feared as an evil star announcing disasters and war.
In Japan, the word first appears in the Nihon Shoki in an entry for the year 637. When a great meteor streaked from east to west with a sound like thunder, the scholar-monk Min, recently returned from Tang China, explained, "This is not a shooting star. It is a tengu."
By the mid-Heian period, the tengu had changed from a flying meteor into a bird-like creature living deep in the mountains. In collections such as the Konjaku Monogatarishu, tengu appear as the embodiment of birds of prey, with the wings and beak of a kite, leading Buddhist monks astray and disrupting their practice as demons and enemies of the Buddha's teaching.
Medieval Buddhist thought went further, placing a special demonic realm called tengu-do outside the six realms of rebirth. It was believed that learned monks who had mastered Buddhist doctrine and practice but died without letting go of their pride could neither attain enlightenment nor fall into hell, and were instead reborn as tengu. The modern Japanese expression tengu ni naru, "to become a tengu," meaning to become conceited, comes directly from this medieval Buddhist lesson.
Merging with the Yamabushi: The Birth of the Long-Nosed Tengu
As Japan moved from the medieval to the early modern period, the tengu went through a remarkable restoration of honor, changing from a demon and enemy of Buddhism into a guardian deity of Shugendo, the tradition of mountain worship.
In the eyes of ordinary people, Japan's ancient belief in mountain gods and the figure of the yamabushi, the ascetics who trained harshly on peaks such as Yoshino, Omine, Hiei, Kurama, Fuji and Takao, came to overlap completely with the image of the tengu. Leaping across remote and rugged summits, versed in medicinal herbs and weather, and wielding mysterious powers of prayer and ritual, the yamabushi seemed like living tengu.
Through this union with Shugendo, from the Muromachi period through the Edo period, tengu imagery split into two main types.
The first is the karasu-tengu, or crow tengu, also called the lesser tengu. Continuing the medieval tradition, it has a sharp bird's beak and black wings, a nimble warrior deity skilled with sword and staff.
The second is the hanataka-tengu, the long-nosed tengu or great tengu. It has an imposing body, a red face and a huge nose jutting forward, and wears a monk's surplice and carries a feathered fan, a figure of dignified authority. The long nose is thought to visualize the "height of pride" that medieval Buddhism warned against, while also blending folk symbols of fertility and vitality.
On sacred mountains across Japan, high-ranking tengu such as Taroubou of Mount Atago in Kyoto, Sojobo of Mount Kurama and Hokibou of Mount Oyama in Sagami came to be enshrined as the "Forty-Eight Tengu" or the "Eight Great Tengu," revered as powerful protectors against fire and theft and as guardians of the nation.
The tengu's distinctive tools also carry deep symbolism. The feathered fan in the right hand, made from yatsude leaves or the feathers of birds of prey, was believed to summon gusts and storms, blow out fires and create the lift needed for flight, a source of supernatural power. The one-toothed geta clogs were training tools passed down by mountain ascetics for running along steep rocks and trails without losing balance, and they visually express the tengu's freedom from gravity as a being of another world.
From Otherworldly Martial Arts Master to Village Yokai: The Ushiwakamaru Legend and Its Legacy
The greatest reason the tengu has remained so appealing in Japanese culture is its role in stories as an otherworldly teacher who passes secret arts to humans.
The finest example is the tengu legend of Mount Kurama in Kyoto. After his father was killed by the Taira clan, the young Ushiwakamaru, later known as the hero Minamoto no Yoshitsune, was sent to Kurama Temple. Night after night, it is said, he slipped deep into the Sojo-ga-tani valley, where the great tengu of Kurama taught him secret military strategy and superhuman swordsmanship.
This tale of a noble youth in exile and the martial teachings of the tengu became an enduring model for Japanese hero stories, from noh, kabuki and storytelling to modern manga.
In the late Edo period, as cities grew and townspeople's culture matured, the fearsome mountain demon gradually softened into a friendly village yokai. In ukiyo-e by Katsushika Hokusai and Utagawa Kuniyoshi, tengu were drawn with humorous expressions, and in folk tales they became lovable characters who are tricked by clever humans into giving up their feathered fans.
In today's world, where awe of nature has faded, tengu legends are a valuable cultural heritage that carries the memory of the deep, sacred mountains the Japanese once looked up to in reverence.
Traces of the tengu remain strong in traditional festivals and local performing arts across Japan, from the Kurama Fire Festival in Kyoto and the tengu kagura of Enshu in Shizuoka to masks of Sarutahiko, regarded as a Shinto prototype of the tengu, who leads processions at many shrine festivals. The tengu lives on as a festival guide who drives away evil spirits and brings good harvests and good health.
Moving freely across the boundaries between fear and affection, sacred and everyday, god and yokai, the tengu speaks eloquently of the layered tolerance at the heart of Japanese culture.
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References
- Chigiri Kosai, Tengu no Kenkyu, Hara Shobo, 2004
- Komatsu Kazuhiko, Yokai Bunka Nyumon, Kadokawa Sensho, 2006
- Miyamoto Tsuneichi, Yama ni Ikiru Hitobito, Kawade Shobo Shinsha, 2011
- Gorai Shigeru, Shugendo Bijutsu no Tenkai, Hozokan, 1981
- Kyogoku Natsuhiko and Tada Katsumi (eds.), Yokai Zukan, Kokushokankokai, 2000
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