Mount Tsubakuro Mountain
Alpine peak in Nagano with iconic granite ridges
On the Northern Alps ridgeline, Mount Tsubakuro welcomes hikers to granite peaks, mountain huts and panoramic views across the Hida range.
Mount Tsubakuro at a Glance#
Address: Mount Tsubakuro area, Nagano Prefecture, Japan (near Kamikochi and the Hotaka Range)
Website: https://www.env.go.jp/en/nature/nps/park/chubusangaku/
Hours: Open 24 hours (seasonal access)
Admission: Trail access free; mountain huts charge modest fees.
About Mount Tsubakuro#
Mount Tsubakuro (燕岳, Tsubakuro-dake) is a peak in Nagano Prefecture within the Northern Japanese Alps, noted for its striking granite ridgelines and accessible alpine trails. It is a frequent destination for hikers and backpackers exploring the Hida Mountains.
Trails lead to open ridgelines that offer panoramic views of nearby high peaks; the area supports day hikes and overnight stays at established mountain huts. Popular seasons are summer for hiking and autumn for foliage and clear mountain air.
The mountain has long been part of local alpine recreation development, with trail improvements and mountain huts established to support hikers rather than a single historic event. Mountaineering and mountain tourism have shaped its recent use.
Geographically it sits in the Hida Mountains (Northern Alps) of central Honshu, surrounded by high alpine terrain and close to other major peaks of the Kita Alps, accessible from Nagano Prefecture trailheads.
- Popularity and access: A well-known peak in Japan’s Northern Alps with accessible ridgelines and a popular mountain hut network.
How to Get to Mount Tsubakuro#
From Matsumoto or Nagano stations, take local buses toward Kamikochi or Hotaka and follow marked trails into the Tsubakuro approach. Mountain hut reservations are recommended during July-September peak season.
Tips for Visiting Mount Tsubakuro#
- Reserve a hut bed in advance for summer weekends-many routes are popular with Nagano climbers.
- Expect varied terrain: exposed ridgelines and occasional rock sections; basic scrambling skills are useful.
- Combine the ascent with other nearby peaks for a multi-day alpine traverse if experienced.
Best Time to Visit Mount Tsubakuro#
Summer provides the best combination of accessible trails and open huts; autumn is excellent for views and cooler weather.
Weather & Climate near Mount Tsubakuro#
Mount Tsubakuro's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -16°C to 18°C. Heavy rainfall (2125 mm/year), wettest in August.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -16° - -7° | -22° | 66 mm | overcast | 97% | 7.6 m/s | 0.3 low | 9.8h |
| February | Poor | -16° - -7° | -21° | 78 mm | overcast | 94% | 8.1 m/s | 0.5 low | 10.7h |
| March | Poor | -13° - -3° | -16° | 119 mm | overcast | 89% | 6.9 m/s | 0.8 moderate | 11.8h |
| April | Poor | -6° - 4° | -7° | 167 mm | partly cloudy | 81% | 7.2 m/s | 1.2 high | 13.0h |
| May | Poor | -1° - 10° | 0° | 188 mm | overcast | 78% | 6.4 m/s | 1.5 high | 14.0h |
| June | Poor | 4° - 13° | 6° | 264 mm | overcast | 82% | 5.4 m/s | 1.5 very high | 14.5h |
| July | Acceptable | 8° - 17° | 13° | 300 mm | overcast | 86% | 5.0 m/s | 1.6 very high | 14.2h |
| August | Acceptable | 9° - 18° | 14° | 326 mm | overcast | 86% | 5.0 m/s | 1.7 very high | 13.4h |
| September | Poor | 6° - 14° | 7° | 291 mm | overcast | 87% | 5.6 m/s | 1.2 high | 12.3h |
| October | Poor | -1° - 8° | -1° | 154 mm | partly cloudy | 88% | 5.4 m/s | 0.8 moderate | 11.1h |
| November | Poor | -7° - 3° | -9° | 106 mm | partly cloudy | 91% | 7.3 m/s | 0.4 low | 10.1h |
| December | Poor | -13° - -3° | -16° | 66 mm | overcast | 95% | 7.1 m/s | 0.2 low | 9.6h |
