Yari-Hotaka Traverse
✓ Verificada contra la agencia · PrefecturalThe crown jewel of Japanese alpine trekking. A ridge traverse connecting Yari-ga-take (3,180m) to Oku-Hotaka-dake (3,190m) across the Daikiretto knife-edge. Fixed chains, ladders, and sustained exposure. Advanced alpine scrambling required. Sansō at every stage.
Clasificación de seguridad
Safe window: snow-free high summer to early autumn (roughly mid-July to early October) in fair weather only — Nagano's grades explicitly apply 'during the snow-free season under fair weather conditions'. Not safe: any snow or ice turns the E-grade rock into a winter alpine climb; Kamikochi access is closed Nov 16 to Apr 16 (buses and all facilities shut).
- ▲Fatal falls on the Daikiretto — graded E (highest) by Nagano Prefecture: 'continuous ups and downs on intense and difficult rocky ridges, dangerous sections with possibility of falling and sliding down continue'; the official Kamikochi site states 'fatal accidents a constant danger' and 'every year, there are quite a few people who lose their lives'
- ▲Rockfall on the chained and laddered pitches between Kita-Hotakadake and Minamidake, worsened by parties above
- ▲Afternoon thunderstorms and lightning on a fully exposed 3,000 m ridgeline with no escape routes mid-traverse
- ▲Residual snow and ice on E-grade rock in early July and from October onward
- ▲Nagano's E-grade note: 'some trekkers need to use a rope for safe climbing in some sections' — helmet essential
Japan's most serious non-roped traverse. Nagano Prefecture's official grading (Comprehensive Mountaineering Center) rates the Daikiretto (Kita-Hotakadake→Yarigatake) technical E / physical 9, the Hotakadake Traverse (Kita→Mae-Hotakadake) E/7, and the full Yari→Okuhotaka loop E/10; Yarigatake alone from Kamikochi is C/8. Do the traverse only with prior E/D-level experience, in stable weather, snow-free season. Do not go early July or after early October, in rain or storms, or as a first alpine route — the official Kamikochi site attributes the annual deaths to 'lack of proper knowledge of the area and judgement of conditions'.