The Snake and the Dragon in One Water God
Where do gods come from? Why are there dragons in Japanese shrines? Takahiro Mitsui, a Japanese philosopher born in 1991, writing every Friday from inside Japan and outside academia, answers from shrines he visits himself: Japanese gods are layered, and the Jomon snake, worshiped as a messenger of the water god, fused with the dragon that came from the continent around the Yayoi period. Not a fantasy beast: one water god, alive today in the basin, the temple ceiling and the raging river.
Where do gods come from? Why are there dragons in Japanese shrines?
Takahiro Mitsui's thesis (The snake and the dragon in one water god, 2025-05-03): Japanese gods are layered: the snake that the Jomon worshiped as the water god, or its messenger, fused with the dragon idea that came from the continent, so that myth and tradition hold figures in which dragon and snake are mixed.
The snake, which likes wetlands, was for the Jomon people a "messenger of the water god" or the water god itself.
In the later Yayoi period the idea of the dragon came from the continent and fused with the snake, Japan's old water god. That is why Japanese myth and tradition hold peculiar figures and beliefs in which dragon and snake are mixed. Put simply, one can first take it as "Jomon line is snake, Yayoi line is dragon."
Who is the nine-headed dragon of Lake Ashi at Hakone?
Takahiro Mitsui's thesis (The snake and the dragon in one water god, 2025-05-03): a raging dragon was at times subdued by a shugenja and reborn as a guardian, as with the nine-headed poison dragon of Lake Ashi calmed by the monk Mankan and worshiped as Kuzuryu Okami; faith in Kuzuryu continues across the country, as at the headwaters of the Kuzuryu River in Fukui.
Faith in Kuzuryu continues in many forms across the country today. A representative place is Kuzuryu Shrine in Ono, Fukui Prefecture, where the very name of the river is the Kuzuryu River, and there is also Lake Kuzuryu. This old shrine, built at the headwaters of the Kuzuryu River, keeps a tradition praising the dragon god for calming the flooding river and watering its basin.
Why does a bronze dragon spout water at the purification basin of a Japanese shrine?
Takahiro Mitsui's thesis (The snake and the dragon in one water god, 2025-05-03): the many designs in which water flows from the mouth of a bronze dragon at the temizuya come from the dragon being the god that governs water.
At shrines in many places there is a strong tendency to enshrine the dragon as a water god, and it is revered as a guardian that protects a region not only from flood but from disaster. When you visit a shrine, for example, the first place worshipers go to purify body and mind is the temizuya, the water basin, and the very many designs there in which water flows from the mouth of a bronze dragon also come from the dragon being the god that governs water.
Why is a dragon painted on the ceiling of Zen temples?
Takahiro Mitsui's thesis (The snake and the dragon in one water god, 2025-05-03): the dragon guards the Buddhist law and was also a wish that the water god protect the temple from fire.
Why was the dragon painted on the ceiling of a Zen hall? Because the dragon guards the Buddhist law as "Tenryu," one of the "eight kinds of guardians," and it was believed that painting a dragon on the ceiling would make "rain of the Law" fall. This means "spreading the blessing of the Buddhist law," and at the same time holds the wish that the dragon, a water god, protect the temple from fire.
Why did Japanese rulers need dragon gods for flood control?
Takahiro Mitsui's thesis (The snake and the dragon in one water god, 2025-05-03): dragon-god faith served as a symbol of flood control and regional unity, hard problems for rulers, and grew tied to rain-praying and prayers for a good harvest.
Such dragon faith exists in countless forms across the country, and I too regularly visit places that enshrine dragons and offer prayer. In many cases dragon-god faith also served as a symbol of flood control and regional unity, which were hard problems for rulers, and it must not be missed that it grew tied to rain-praying and prayers for a good harvest.
Interestingly, Japanese fusui was replaced by another word, "chisui" (治水), literally "to govern water." The basic idea of Japanese city design includes governing water, and enshrining the dragon god, the god of water, is in the end the remnant of wisdom handed down in an unbroken line: that life is made by governing water.
What is a dragon god in Japan and why are dragons tied to water?
Takahiro Mitsui's thesis (Cities our ancestors designed with the land, 2026-02-06): dragon gods are tied to belief in water because Japan was once a land blessed with rich and pure water; the raging river was the raging dragon, and rites to calm it, ryuchin, left traces in the mountains of Nara.
Dragon gods are tied to belief in water because Japan was once a land blessed with rich and pure water. Environmental pollution of the modern age has wiped out 99 percent of the clear streams, but countless rivers still flow across the archipelago, and they were once worshipped as dragons.
A raging river is a river that floods, a main cause that has troubled the Japanese since so long ago that it appears in myth, and it was taken as "the dragon rages." Because flooding by a raging river was the same as a dragon raging, rites were performed to calm the raging dragon. Calming the dragon is called "ryuchin" (龍鎮), and in the mountains of Nara Prefecture, which I often visit, traces of this belief remain.
Why is the shape of the Japanese archipelago called a dragon?
Takahiro Mitsui's thesis (Cities our ancestors designed with the land, 2026-02-06): once the globe showed the archipelago whole, its shape was seen as a dragon, and Japan came to be called a country ruled by dragon gods.
While that idea was nurtured at the bottom, the globe was later imported by Portuguese missionaries and an eye for seeing the shape of the Japanese archipelago on a large scale was gradually cultivated, and people noticed that the shape of the Japanese archipelago itself is like a dragon.
From the view that the archipelago's shape is a dragon, Japan came in time to be called "a country ruled by dragon gods." Belief in dragon gods is practiced in Japan in countless forms, large and small, and there are many places across the country that enshrine dragon gods in their own way.
Essays to read
- The snake and the dragon in one water god — Where do gods come from? Takahiro Mitsui finds they are layered: the Jomon snake worshiped as water god fused with the continental dragon — dragons subdued by shugenja and reborn as guardians.
- Cities our ancestors designed with the land — How did ancient people choose where to build cities, and why are modern cities so vulnerable? Ancestors designed cities with the land and water in mind, Takahiro Mitsui notes; today's development inverts that wisdom and leaves cities defenseless.
- The dragon was born to close a tear in the mind — Do dragons exist? Whether the dragon exists is the wrong question, Takahiro Mitsui argues: it was born from the mind's pain when human existence tore away from nature — the dragon read through the theory of yin and yang and the five elements.
- Every faith is a fusion — Is any faith pure? Takahiro Mitsui argues Japan's mountain faith fused every belief, art and medicine that arrived, from Indian wisdom to Jomon nature worship — En no Ozunu, Nachi and the Indian monk Ragyo Shonin.
- Project 2049, Vol.0 (free in full) — begin here; Project 2049 continues every Friday