Mount Kaimon Volcano

Perfect-cone volcano at Kyushu's southern tip, 'Satsuma Fuji'

A conical volcano on southern Kyushu often called Satsuma Fuji, Mount Kaimon provides coastal hiking and clear summit views; visitors pair climbs with nearby Ibusuki hot-spring resorts and shoreline walks.

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Comet C2023A3 Tsuchinshan-Atlas and Kaimondake.jpg
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Mount Kaimon from Kaimon Sanroku Fureai Park - May 5, 2023.jpg
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Mount Kaimon at a Glance#

Address: Mount Kaimon (Kaimondake), Ibusuki area, Kagoshima Prefecture, Japan

Admission: No admission (public mountain)

About Mount Kaimon#

Mount Kaimon is a conical stratovolcano at the southern tip of the Satsuma Peninsula in Kagoshima Prefecture, Japan, rising to roughly 924 metres. Its regular cone has earned it the local nickname “Satsuma-Fuji.”

The mountain presents a clearly defined cone and offers coastal panoramas over the surrounding sea and shoreline from higher slopes. Trails ascend toward the summit and the mountain is a familiar landmark seen from nearby coastal towns.

Mount Kaimon is a volcanic feature of southern Kyushu formed by eruptive activity; its shape and presence have influenced local place names and seaside orientation. It has no recent large-scale eruptions recorded in modern times.

Kaimon stands at the southern end of the Satsuma Peninsula in Kagoshima Prefecture on Kyushu, close to the coast and visible from nearby coastal communities.

  • Nickname and elevation: Often called “Satsuma-Fuji” for its symmetrical conical shape and stands at about 924 metres, making it a notable coastal landmark in southern Kyushu.

Tips for Visiting Mount Kaimon#

  • Start the climb well before sunrise to avoid the island heat and to catch clear views of Kagoshima Bay and Sakurajima; the ascent is steep and you'll benefit from cooler, calmer conditions early in the day.
  • Check local bus timetables from Ibusuki or Kagoshima when planning your return - public transport is limited in the Satsuma Peninsula, so coordinate outbound and inbound services or arrange a car pickup.

Best Time to Visit Mount Kaimon#

For Mount Kaimon, aim for spring or autumn for the most comfortable weather and best visibility.

Spring & autumn (best for climbing and views)
April-May & September-November · 10-25°C
Mild, stable weather with good visibility-ideal for hiking and enjoying views of Kagoshima Bay.
Summer (hot, humid, typhoon season)
June-August · 20-30°C
Hot, humid conditions with a heightened risk of typhoons and heavy rain-less comfortable and potentially hazardous for climbs.

Weather & Climate near Mount Kaimon#

Climate

Mount Kaimon's climate is classified as Humid Subtropical - Humid Subtropical climate with warm summers (peaking in August) and cold winters (coldest in January). Temperatures range from 1°C to 27°C. Heavy rainfall (2889 mm/year), wettest in June.

Air Quality: AQI 53 Moderate
Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
32°
Warmest Month
4°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Acceptable 1° - 9° 1° 116 mm partly cloudy 75% 5.1 m/s 0.5 moderate 10.2h
February Acceptable 2° - 10° 2° 143 mm partly cloudy 75% 4.8 m/s 0.8 moderate 10.9h
March Poor 5° - 13° 6° 204 mm partly cloudy 73% 4.8 m/s 1.1 high 11.9h
April Acceptable 9° - 17° 13° 259 mm partly cloudy 75% 4.7 m/s 1.4 high 12.8h
May Acceptable 13° - 21° 17° 323 mm overcast 79% 4.2 m/s 1.6 very high 13.6h
June Good 17° - 23° 20° 509 mm overcast 87% 4.5 m/s 1.5 high 14.0h
July Very Good 21° - 27° 24° 402 mm partly cloudy 87% 4.8 m/s 2.0 very high 13.8h
August Very Good 21° - 27° 24° 302 mm partly cloudy 82% 4.8 m/s 2.0 very high 13.1h
September Very Good 18° - 25° 22° 258 mm partly cloudy 80% 5.2 m/s 1.5 very high 12.2h
October Good 13° - 21° 17° 149 mm partly cloudy 74% 4.4 m/s 1.1 high 11.3h
November Good 8° - 16° 12° 123 mm partly cloudy 73% 4.4 m/s 0.7 moderate 10.4h
December Acceptable 3° - 12° 4° 101 mm partly cloudy 74% 4.6 m/s 0.5 low 10.0h

Nearby Attractions to Mount Kaimon#