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Towada-Hachimantai NP, Aomori
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One explanation of “Hakkōda” links its marsh pools to kami-no-ta, “fields of the gods”: dense aquatic plants made them resemble tiny rice paddies. Aomori’s natural-history archive preserves this charming name story.
About 280 wooden steps connect Kenashitai’s upper and lower marshes; the stairway was rebuilt in 2023. From this steep link, the lower moor opens below in a bird’s-eye spread of ponds.
Kenashitai is a two-tier high moor on a lava plateau along Mount Ōdake’s western slope. Its upper and lower marshes lie roughly 1,000–1,200 m above sea level—a wetland terrace built into volcanic terrain.
This is a high moor, not a stream-fed meadow: its water comes mainly from rain and snow. Cold, waterlogged ground slows plant decay, so peat accumulates and nutrient-poor conditions favor sphagnum moss.
Kenashitai’s ponds belong to Hakkōda’s high-moor network, where water depth shapes plant life. Aomori’s natural-history archive records wild water lilies in some pools and tiny hime-mizunira quillwort in others.
Spring wetland flowers include Asian skunk cabbage and bogbean; summer brings chinguruma and golden Asian asphodel. The trail’s forested end gets a spring encore, with forked viburnum and willow-leaf magnolia.
One of Kenashitai’s summer flowers, chinguruma, has a striking second act: after blooming, its many pistils lengthen into a wheel of feathery spokes, making the plant look like a tiny pinwheel.
