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Joshin’etsukogen NP, Nagano
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Fudo Falls drops about 85 m and feathers into mist. Around the summer solstice, morning sunlight can turn the spray into a rainbow—a fleeting effect recorded by Japan’s Agency for Cultural Affairs.
The plateau overlooking the falls was once a sulfur-mining town: at its peak, nearly 1,500 people lived there, with a clinic and school. The former settlement is now grassland with views of the cascades.
Fudo is one of more than 10 cascades in the Yonako group. Around 10 flow continuously; several others appear after heavy rain, making the 1-km cliff a changing waterfall wall.
At Yonako, the waterfall itself—not only the nearby temple—is revered as a sacred presence. Its cascade served as a purification place for mountain ascetics, reflecting Fudo Falls’ spiritual role.
A 1611 account calls the two falls the cleansing place of Hakusan Gongen. Devotional swords dating to the 13th–16th centuries, found near Mt. Azumaya, add a tangible trace of medieval worship.
The cliff behind Fudo Falls belongs to a volcano active roughly 800,000–450,000 years ago. Streams have cut into lava layers up to 150 m thick along a cliff about 1 km long.
Mountain ascetics once practiced beneath the natural falls; for safety, the temple now holds waterfall meditation at two consecrated cascades in its lower-town grounds, regarded as sacred counterparts.
Deep snow and steep trails made the Okunoin by the waterfalls difficult to reach. Around 1943, a temple was built in a foothill hamlet to serve as the main place for ceremonies and worship.
The falls were revered through the mid-Edo period; from the late Edo era they were also admired for their scenery. In 2016, the wider Yonako Waterfall Group—not Fudo Falls alone—became a National Place of Scenic Beauty.
