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Towada-Hachimantai NP, Aomori
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During spring melt, Upper Kenashitai briefly becomes a waterfall source: on May 11, 2010, a park ranger found cascades plunging into a hole in the snow, with an estimated 15 m drop. By summer, the flow may vanish.
Upper and Lower Kenashitai are wetland shelves at different heights, linked by a wooden stairway of more than 300 steps. The climb opens a bird’s-eye view of the lower marsh’s many ponds, especially vivid at the late-September-to-early-October foliage peak.
One explanation for Hakkoda’s name is hiding in its bog pools: an Aomori prefectural natural-history account links it to kami-no-ta, “the gods’ paddies.” Pool depth changes which plants grow there, creating a mosaic of tiny habitats.
Kenashitai’s flower season is a relay: spring brings mizubasho (Asian skunk cabbage) and mitsugashiwa (bogbean); summer brings chinguruma and kinkoka. On a July ranger visit, kinkoka flowers had turned the marsh yellow.
The boardwalk is more than a dry-foot path: Aomori warns that trampling can dry moss bogs and damage peat built over many years. Peat accumulates at only about 1 mm a year, making these wetlands especially fragile.
