Overview
Hinden Maru is a 1,018.7-meter mountain rising on the border between Kaiyō-chō in Tokushima Prefecture and the village of Umaji in Kōchi Prefecture. Standing along the prefectural boundary ridge, it is one of the quiet peaks embraced by the deep forests of southeastern Shikoku. There are no showy tourist facilities here, and that is precisely its charm: unspoiled nature and genuine mountain silence.
Highlights
- ●Views of the Shikoku mountains from the 1,018.7-meter boundary ridge
- ●A rare summit straddling both Kaiyō-chō and Umaji village
- ●The still atmosphere of unspoiled deep forest
- ●Simple, restful hiking far from the crowds
History
As a mountain straddling both Tokushima and Kōchi, Hinden Maru has long been tied to the life and forestry work of the settlements at its foot. Like many boundary peaks, each side likely preserves its own names and folk memories of the mountain. This zone above 1,000 meters is closely connected to the history of Shikoku's forestry. For detailed history and trail conditions, it is best to check official information from local authorities and hiking communities.
Access
The summit lies near 33.65°N, 134.18°E, on the boundary between Kaiyō-chō in Tokushima and Umaji in Kōchi. Approaches from either the Kaiyō or the Umaji side follow deep mountain forest roads, so checking the latest road conditions in advance is reassuring. Public transport is limited, so travel by car is the practical option. Please confirm the exact route to the trailhead with official sources.
Best season
From early summer, when fresh greenery glows, through autumn, when the trees turn color, are the most comfortable seasons to walk. Because the peak exceeds 1,000 meters, the air stays cooler than in the lowlands even in summer. In winter, be mindful of snow and icy roads, and confirm your gear and the weather before setting out.
Map
33.6483, 134.1836 · Wikidata
Suggested itinerary
- 1Set out after checking the latest forest-road and trail information at a village below
- 2Climb through deep forest toward the prefectural boundary ridge
- 3Enjoy the two-prefecture setting and the views from the summit
- 4After descending, savor the rural scenery of Kaiyō-chō and Umaji
Did you know?
💡 Because Hinden Maru stands exactly on the line between Tokushima and Kōchi, you can enjoy the rare experience of a single summit spanning two prefectures. At 1,018.7 meters, it offers a satisfying climb by Shikoku standards.
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