Daisetsuzan Volcanic Group Mountains

Volcanic mountain group forming Hokkaido's largest national park

Volcanic massif in central Hokkaido comprising Daisetsuzan National Park; known to hikers and skiers for highland trails, alpine flora, fumaroles and mountain onsen at nearby towns.

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Daisetsuzan Peaks, Japan; July 2013.jpg
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Daisetsuzan range seen looking west from Kurodake.jpg
Daisetsuzan Volcanic Group seen from Woody Life, April 2023 01.jpg
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Daisetsuzan Volcanic Group at a Glance#

Admission: Free to access (Daisetsuzan National Park - no park entrance fee)

About Daisetsuzan Volcanic Group#

The Daisetsuzan Volcanic Group is a cluster of volcanic peaks in central Hokkaido and forms the heart of Daisetsuzan National Park, the largest national park in Japan.

Mount Asahi (Asahidake), at 2,291 metres, is the region’s highest peak and a major attraction for hikers, skiers and nature observers; an aerial ropeway on Asahidake provides quick access to high alpine terrain. The group’s volcanic plateaus, hot springs and high-elevation plant communities draw visitors for day hikes, multi-day treks and winter backcountry skiing.

Volcanic activity in the group has shaped the landscape through the Holocene; over the modern period the area has become a protected park with infrastructure to support tourism and conservation.

The volcanic group occupies central Hokkaido and is accessible from towns on the island’s interior and from roadside entries into Daisetsuzan National Park.

  • National park: Daisetsuzan forms the core of Japan’s largest national park and is renowned for alpine flora, hot springs and year-round mountain recreation.

What to See#

  • Mount Asahi (Asahidake): Mount Asahi (Asahidake) at 2,291 metres is the highest peak in Hokkaido and the central volcano of the group, accessible by a ropeway that shortens the climb.
  • Kurodake and ridges: Kurodake and surrounding ridges provide popular day-hiking and backcountry skiing routes with alpine vegetation and volcanic landscapes.

How to Get to Daisetsuzan Volcanic Group#

The Daisetsuzan volcanic group lies in central Hokkaido within Daisetsuzan National Park. The common gateways are Asahikawa (major city) and the townships at Sounkyo and Asahidake: take JR to Asahikawa Station then catch regional buses bound for Sounkyo Onsen or Asahidake Onsen (bus services from Asahikawa take roughly 1.5-2 hours depending on route). From those onsen villages there are lifts, ropeways and trailheads that provide access into the volcanic peaks and hiking routes.

Tips for Visiting Daisetsuzan Volcanic Group#

  • Use the Asahidake ropeway (Asahidake Onsen area) as your main access for the Daisetsuzan volcanic group-taking the ropeway early gives you quick altitude gain and quieter alpine trails.
  • Visit in late July-September for stable high‑alpine conditions and the best wildflower displays; autumn brings spectacular foliage but can be cold and snowy at higher elevations.
  • Combine hikes with a soak in local onsen (Sounkyo or Asahidake) after trekking-many day visitors hike the peaks but skip the nearby hot springs and valley scenery.

Best Time to Visit Daisetsuzan Volcanic Group#

Best in summer for hiking and alpine access; winters bring heavy snow and very cold conditions suited to experienced adventurers.

Summer (hiking)
Jun-Sep · ~5-20°C (summit/corridor areas cooler)
Cool, relatively stable weather and the main season for alpine hiking and mountain access.
Winter (snow)
Nov-Mar · often well below freezing at elevation
Heavy snowfall and cold conditions make it a major winter-snow area; winter access can be difficult and requires experience.
Shoulder seasons
Apr-May & Oct · cool and changeable
Short transitional periods with rapidly changing weather; early snow or late melt can affect routes.

Weather & Climate near Daisetsuzan Volcanic Group#

Climate

Daisetsuzan Volcanic Group's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -23°C to 15°C. Abundant rainfall (1474 mm/year), wettest in August.

Air Quality: AQI 45 Good
Best Time to Visit
AugustJuneJuly
Temperature & Rainfall
Temperature Range
28°
Warmest Month
-27°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -22° - -14° -28° 78 mm overcast 97% 6.0 m/s 0.1 low 9.2h
February Poor -23° - -13° -28° 66 mm overcast 96% 5.5 m/s 0.3 low 10.3h
March Poor -19° - -10° -23° 96 mm overcast 94% 5.5 m/s 0.6 moderate 11.8h
April Poor -9° - -2° -12° 98 mm overcast 88% 5.5 m/s 0.9 moderate 13.3h
May Poor -4° - 4° -5° 122 mm overcast 83% 5.1 m/s 1.2 high 14.5h
June Acceptable 1° - 10° 2° 120 mm overcast 84% 4.1 m/s 1.4 high 15.2h
July Acceptable 7° - 15° 11° 149 mm overcast 86% 3.7 m/s 1.4 high 14.9h
August Acceptable 7° - 15° 11° 195 mm overcast 86% 3.8 m/s 1.3 high 13.8h
September Poor 2° - 10° 3° 183 mm overcast 87% 4.1 m/s 1.0 moderate 12.4h
October Poor -5° - 3° -7° 151 mm overcast 88% 5.2 m/s 0.5 low 10.9h
November Poor -12° - -5° -16° 127 mm overcast 92% 5.9 m/s 0.2 low 9.5h
December Poor -17° - -10° -23° 89 mm overcast 96% 5.8 m/s 0.1 low 8.8h

Nearby Attractions to Daisetsuzan Volcanic Group#