Overview
Ushioku no Gangaharasuriyama is a 1,990-meter peak straddling the boundary of Otsuki and Koshu in Yamanashi Prefecture. It is famous for having what is often called the longest mountain name in Japan, and its tongue-twisting name has become a favorite talking point among hikers. Selected as one of the Twelve Superb Views of Mount Fuji designated by Otsuki City, the summit offers a sweeping panorama with Mount Fuji rising directly ahead.
Highlights
- ●Panoramic view of Mount Fuji from the 1,990-meter summit
- ●The distinctive summit sign of the longest mountain name in Japan
- ●A designated viewpoint among the Twelve Superb Views of Mount Fuji
- ●Quiet ridge walking in the southern Daibosatsu range
History
The name Gangaharasuriyama comes from an old legend that migrating wild geese passed through a saddle so narrow they seemed to brush their bellies against the ridge. Several peaks in the area share this name, and this one adds the prefix Ushioku, referring to its location, to set it apart, resulting in the unusually long title. The mountain sits at the edge of hills long tied to local life; for its precise origins, please refer to on-site signs and official sources.
Access
Located on the border of Otsuki and Koshu, the peak is reached from the direction of Otsuki Station or Kai-Yamato Station on the JR Chuo Main Line. Public transport to the trailheads is limited, so many hikers use a private car or taxi, often walking this summit as part of a traverse in the southern part of the Daibosatsu range. Because the trails require proper mountaineering gear, check the latest transport and forest-road conditions on official sources before setting out.
Best season
Early summer with fresh greenery and autumn with clear, crisp air are the most rewarding times, when Mount Fuji stands out sharply. Late autumn to early winter offers especially far-reaching views befitting the Twelve Superb Views of Mount Fuji. Winter brings snow and ice that raise the difficulty, so careful preparation and weather judgment are essential.
Map
35.7058, 138.8564 · Wikidata
Suggested itinerary
- 1Confirm trail information and gear near Otsuki or Kai-Yamato Station
- 2Climb from the trailhead through forest toward the ridge
- 3Enjoy the Fuji view and summit sign at the top
- 4After descending, relax with a hot spring or local cuisine in the Otsuki and Koshu area
Did you know?
💡 The reading Ushioku no Gangaharasuriyama is frequently introduced as the longest mountain name in Japan when written in hiragana. Saying it aloud makes its playful ring stand out, and reaching the top, many hikers pose for photos beside the summit sign.
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