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Towada-Hachimantai NP, Aomori
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At the Sukayu weather station, 890 m above sea level on the Hakkoda range, snow depth hit 566 cm on February 26, 2013—the highest reading among Japan’s 330 snow-measuring stations at the time.
Hakkoda’s “snow monsters” grow as supercooled cloud droplets freeze on Aomori fir and windblown snow builds up around them. A Yamagata University reconstruction suggests Tohoku’s ingredients for these giants came together about 1,000 years ago.
Hakkoda cattle have a mountain-season routine: these rare Japanese Shorthorns graze on the Hakkoda foothills in summer, then return to barns in winter. Their beef is known for its hearty, lean red-meat flavor.
Near Sukayu, Jigoku-numa is a crater lake formed by Hakkoda’s later volcanic activity. Strongly acidic spring water at about 90°C flows into it; nearby, the “manju fukashi” lets visitors warm up on a bench heated by 95°C spring water.
January 1902 brought two very different Hakkoda marches: 199 of 210 soldiers in Aomori’s 5th Regiment died, while 37 soldiers and a reporter from Hirosaki’s 31st Regiment returned from an 11-night, 12-day trek; one injured man had turned back.
The Shinkansen passes beneath Hakkoda’s northern end through a 26.455-km tunnel—about a third of the Hachinohe–Shin-Aomori stretch. Aomori Prefecture lists it as the world’s longest double-track land railway tunnel.
A Hakkoda shrine preserves a legend about young printmaker Shiko Munakata: on a mountain outing, he saw a hawk with sun-like white marks on its wings. His guide interpreted it as a divine hawk and an auspicious sign.
Tashirodaira’s bog has peat more than 7 m thick, with a continuous record reaching back about 15,000 years, to the end of the last Ice Age. Its layers preserve an unusually long record of Hakkoda’s past.
Comparing a 1930 vegetation map with a 2010 map, researchers found that Hakkoda’s Aomori-fir forest had shrunk to about half its former area. They suggest recent warming may be one factor.
Hakkoda is a volcanic range, not one peak: forestry sources describe 18 stratovolcanoes and lava domes, with Odake the highest at 1,585 m. One traditional reading interprets “Hakkō” as “many helmet-shaped peaks.”
Hakkoda’s highland bogs are dotted with small pools traditionally called “kami no ta,” or “fields of the gods.” One explanation says this wetland landscape supplied the “ta” (“field”) in the range’s name.
Sukayu’s “Thousand-Person Bath” is a 160-tatami communal hall made of Aomori hiba wood, with four different source waters. It preserves the tradition of mixed bathing—though the name is not a literal head count.
Sukayu’s founding legend says hunter Osanai Saemonshirō tracked an injured deer for 3 days in 1684, then saw it bounding away. He discovered the spring and named it Shika-no-yu, or “Deer Bath.”
In 1954, Sukayu was among the first 3 places designated as National Health Resort Hot Spring Areas, alongside Shima and Nikko Yumoto. The designation began a nationwide program for hot-spring areas valued for rest and public health.
Tohoku Imperial University opened a plant-research station in Hakkoda in 1929 to study mountain ecology. The university’s field station continues that work today and welcomes researchers from Japan and overseas.
An 8-panel painted story about Hakkoda’s mountain shrine resurfaced in 2019. After a community crowdfunding campaign, the shrine at Takada-Odake’s summit was rebuilt and reconsecrated in 2022.
Hakkoda was little known until the 1902 snow-march disaster. Writer Omachi Keigetsu later championed its alpine flower gardens and spent his later years at nearby Tsuta Onsen, helping people see more than its tragic reputation.
