Mount Kaikoma
Mountains Alpine peak in Japan's Akaishi range, scenic ridges
Situated in central Japan’s Akaishi range, Mount Kaikoma draws multi-day hikers along ridgelines and cols. Climbers tackle long approaches, seasonal alpine flora, and extensive mountain scenery.
Mount Kaikoma is a peak in the Akaishi Mountains (the Southern Alps) of central Honshu, Japan, reaching about 2,967 metres in elevation. It is recognized as one of Japan’s notable alpine summits.
The mountain offers steep granite ridges, alpine meadows and high-elevation views typical of the Southern Alps; routes approach from valleys in Yamanashi and Nagano prefectures. Trails are used for day and multi-day climbs during the summer climbing season, and ridgeline walks connect to neighboring peaks.
Kaikoma is a natural mountain formed by tectonic uplift and erosion; it has long been a destination for Japanese alpinists and was included among lists of notable mountains compiled in the 20th century. Access and route development increased with the growth of recreational mountaineering in the postwar era.
The peak sits on the main ridge of the Akaishi Mountains in central Honshu, near the boundary between Yamanashi and Nagano prefectures. It is inland from the Pacific coast and part of a high, rugged range dominated by granite and alpine terrain.
- Elevation: Sits at the northern end of the Akaishi Mountains and reaches an elevation of 2,967 metres.
- Status: Included among Japan's well-known alpine peaks and frequently climbed in the summer high-season.
Best Time to Visit Mount Kaikoma #
For Mount Kaikoma (a high Japanese Alpine peak) the best time is midsummer (July-September) when routes are most likely free of persistent snow and weather is relatively stable.
Weather & Climate near Mount Kaikoma #
Mount Kaikoma's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -14°C to 18°C. Heavy rainfall (2239 mm/year), wettest in August.
January
January is the coldest month with highs of -5°C and lows of -14°C. Moderate rainfall (56 mm), partly cloudy skies, and breezy conditions.
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February
February is freezing with highs of -5°C and lows of -14°C. Moderate rainfall (75 mm), partly cloudy skies, and breezy conditions.
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March
March is freezing with highs of -2°C and lows of -12°C. Significant rainfall (127 mm), partly cloudy skies, and breezy conditions.
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April
April is freezing with highs of 5°C and lows of -5°C. Significant rainfall (181 mm), partly cloudy skies, and breezy conditions.
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May
May is cold with highs of 10°C and lows of 0°C. Heavy rain (205 mm), mostly overcast skies, and breezy conditions.
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June
June is cold with highs of 13°C and lows of 4°C. Heavy rain (291 mm), mostly overcast skies, and breezy conditions.
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July
July is cool with highs of 17°C and lows of 9°C. Heavy rain (301 mm) and mostly overcast skies.
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August
August is cool with highs of 18°C and lows of 9°C. The wettest month with heavy rain (362 mm) and mostly overcast skies.
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September
September is cool with highs of 14°C and lows of 6°C. Heavy rain (316 mm) and mostly overcast skies.
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October
October is cold with highs of 8°C and lows of 0°C. Significant rainfall (175 mm) and partly cloudy skies.
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November
November is freezing with highs of 4°C and lows of -5°C. Regular rainfall (99 mm), partly cloudy skies, and breezy conditions.
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December
December is freezing with highs of -2°C and lows of -11°C. Moderate rainfall (51 mm) and breezy conditions.
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