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Oze NP, Fukushima
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About 19,000 years ago, Hiuchi erupted a lava dome on its northeastern flank that bears the name Kumazawa Tashiro. This peaceful marsh and its namesake are part of the same volcanic landscape.
At 1,950 m, two small ponds sit in a sloping saddle, with the boardwalk curving between them toward Mount Hiuchi. Their almost precisely placed appearance is a signature view of this high marsh.
Kumanosawa Tashiro sits near a divide between Pacific-side and Sea-of-Japan-side mountain landscapes. Eastward are gentler, broadleaf-covered hills; westward, steep rocky slopes show the effects of heavy snow and erosion.
Because it sits higher than Oze-numa and Ozegahara, flowers bloom here later. July brings cotton-grass plumes, while October colors the marsh with autumn foliage—a seasonal show arriving on the mountain’s schedule.
Peat builds at only about 1 mm a year. Trampling left bare patches here, and rain could wash exposed soil away; restoration work has included sowing seeds gathered at Kumanosawa Tashiro and raising seedlings.
