樹海は囁く。

Feature | 2026.10.19


Why the Jukai Forest makes it easy to believe “nature is God”?

Even when people say, “nature is God,”
it sounds like a distant concept in the city.
In the the Aokigahara Jukai Forest or “Sea of Trees”,
however, it is entirely different.
Rain-soaked moss turns a deeper green,
and roots stretch through lava crevices. Atop fallen trees,
new life is already growing. Here, human convenience holds no power.
People pray toward Mt. Fuji, and ascetic monks (shugenja)
venture into the woods and caves.
Why did they go to such lengths? Even the phrase “being permitted to enter the mountain” feels entirely natural here.
Staying at a Oshi pilgrim lodge, walking with shugenja,
and entering the rain-kissed forest…
In this issue, we explore at the foot of Mount Fuji
why humanity has long revered nature as divine.

On the day of our visit, Mt. Fuji remained hidden behind clouds.
Arriving at its foot without a view was disappointing,
yet continuing our journey revealed that Mt. Fuji is not meant merely to be admired from afar.
From the memories of the Fuji-ko (Devotional Fuji confraternities)pilgrimage preserved in the
Oshi lodges to lava beds beneath the Jukai forest
—even unseen, the mountain’s power was present everywhere.

Our journey began at Naritasan Fukagawa Fudoudou in Tokyo, leading to Zuzuya, a Oshi pilgrim lodge at Fuji’s foot. After visiting Maoten Shrine, we entered the Aokigahara Jukai forest with shugenja.
Tracing Fuji-ko history and listening to mountaineers shifted our eyes to the forest’s origins. Walking here reveals why faith and nature unite.
Mt. Fuji looks serene from afar, yet Aokigahara was forged by violent lava. We sought to understand why people pray to—and trek toward—a mountain that once threatened their lives.
We feel something beyond humanity in trees, rocks, mountains, and caves. Later labeled as animism, it was likely a far more immediate, everyday reality for ancient people. Folklore scholar Kunio Yanagita believed that when old faiths fade, gods drop into mere monsters. Revering the sacred and fearing the unknown are surprisingly close. Whether we view the forest as beautiful or terrifying reveals less about nature itself than about the human heart.
In daily life, time and paths are arranged for human convenience, but that logic fails inside the Jukai forest. Stepping over roots, dodging slick moss, and searching for foothold gradually pushes daily worries away. As your pace slows, you see more—a sensory shift felt in the body rather than explained by logic.
At your feet, fallen trees rot under moss as new sprouts rise. The forest is not a finished scene, but an unfolding passage of time, supported by water, soil, and microscopic life.
Tracing the path of Mt. Fuji worshipers, walking with an ascetic monk, and learning the forest’s origins in the rainy Jukai reveals fewer answers about nature and more clues to reconsider human existence.
Upon leaving the forest, how will everyday life appear?

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樹海は囁く。

yoff

VOL.

樹海は囁く。

樹海では“ 自然が神” だと、素直に思える、という話。

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