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Chichibu-Tama-Kai NP, Tokyo
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The small fish in the Rock Garden stream are yamame (masu salmon). Mitake Visitor Center staff note they swim calmly past hikers; summer insects tumble into the water, and one naturalist once watched a yamame snap at a floating leaf.
Before 1941, Mitake's shrine village struggled for water. Painter Kawai Gyokudō's published lament helped prompt a pipeline from Ayahiro's stream: it reached the shrine in 1941 and the village in 1942. He also painted the falls.
A shimenawa-strung torii marks Ayahiro as sacred, and a shrine to Haraedo no Okami, a purification deity, stands beside it. Musashi Mitake Shrine's 2026 two-day course included waterfall rites here at dusk and dawn.
A yellow late-summer flower along the Rock Garden stream is Tamagawa hototogisu—but its name refers not to Tokyo's nearby Tama River, but to Kyoto's Tamagawa, famous for yamabuki blossoms whose color the flower echoes.
TV Tokyo reported in 2011 that Mitake eatery Kōyōya served “Ayahiro udon”: matcha-green noodles made with water from near the falls. The cascade lent its name—and nearby spring water—to a local specialty.
