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軽井沢町, 長野県
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Joshin'etsukogen National Park was designated in 1949 and protects 151,053 hectares across Gunma, Niigata and Nagano.
Mt. Asama's 1783 eruption created the dramatic Onioshidashi lava landscape, where jagged volcanic rock still covers the mountain's northern flank.
Tsumagoi is Japan's leading producer of summer-autumn cabbage, harvesting about 160 million heads from late June through early November.
Tsumagoi's cool highland climate and dark, well-drained volcanic soils help farmers grow sweet, crisp cabbage across broad fields near Mt. Asama.
Kusatsu naturally produces more than 32,300 liters of hot-spring water per minute, making geothermal water a defining part of the area's culture.
Mt. Asama reaches 2,568 meters and remains an active volcano whose eruptions have repeatedly reshaped surrounding highlands and communities.
Shiga Kogen's ponds and wetlands occupy volcanic terrain, with some water bodies forming in depressions associated with ancient lava flows.
Jigokudani Yaen-Koen allows visitors to observe wild Japanese macaques, famous for entering a hot-spring pool during cold and snowy weather.
Mt. Tanigawa's Ichinokurasawa is defined by immense rock walls and lingering snow, creating one of the park's most dramatic mountain scenes.
Mt. Naeba reaches 2,145 meters and supports a broad summit wetland, combining alpine scenery with a landscape shaped by heavy winter snow.
Mt. Kusatsu-Shirane contains Yugama, a highly acidic crater lake whose striking water color reflects the chemistry of an active volcanic system.
Yunomaru Highland is celebrated for a vast colony of Japanese azaleas, with roughly 600,000 plants coloring the highland during flowering season.
Nozori Lake lies around 1,500 meters above sea level and its surrounding highlands support roughly 300 species of alpine and mountain plants.
Yonako Falls has a history of Shugendo practice, connecting dramatic waterfalls and mountain terrain with ascetic training and purification.
Kazawa Onsen is associated with the birthplace of Yukiyama Sanka, a Japanese song celebrating the experience of snowy mountains.
Japanese serow live in the park's mountain forests and rocky terrain, alongside macaques, Japanese stoats and Asiatic black bears.
Golden eagles and mountain hawk-eagles occur in the park, reflecting the extensive mountain habitats and steep terrain of the region.
Vegetation changes with elevation, from deciduous broadleaf forests at lower levels to subalpine conifers and alpine plants higher on the mountains.
Manza Onsen sits at about 1,800 meters, placing its volcanic hot springs high within the mountain environment of Joshin'etsukogen.
Yoshigadaira Wetland preserves ponds, marshes and volcanic scenery near Kusatsu-Shirane and is internationally recognized under the Ramsar Convention.
Ikenotaira Wetland lies in a volcanic highland basin near Yunomaru and supports seasonal flowers and open views across the surrounding mountains.
The Tanigawa range shares a rare serpentine plant, Hosoba-hina-usuyukiso, with Mt. Shibutsu in neighboring Oze National Park.
Shima Onsen's name is traditionally associated with the idea of waters capable of soothing forty thousand ailments, reflecting its long bathing culture.
About 35 cabbage varieties are grown in Tsumagoi, allowing farmers to match different elevations, seasons and growing conditions across the village.
At Asama no Ibuki, visitors can buy local highland produce and eat dishes made with regional ingredients at Shokudo Cafe Cabbage Gohan.
At Kusatsu, yumomi uses long wooden paddles and traditional songs to cool hot spring water without diluting it.
Kusatsu visitors can watch yumomi at Netsunoyu, a bathhouse beside the steaming Yubatake.
Onsen manju, sweet steamed buns, and onsen tamago, hot-spring-cooked eggs, are beloved Kusatsu specialties.
Kusatsu also hosts onsen rakugo, a traditional comic storytelling performance held in a hot-spring setting.
At Yonako Falls, Fudotaki and Gongentaki have long been revered in local mountain worship.
