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.

Main image
Comet C2023A3 Tsuchinshan-Atlas and Kaimondake.jpg
Kaimondake and sunflowers at sunset.jpg
Mount Kaimon from Kaimon Sanroku Fureai Park - May 5, 2023.jpg
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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.
Mount Kaimon
Mount Kaimon (Kaimondake), Ibusuki area, Kagoshima Prefecture, Japan
31.1801, 130.5285
No admission (public mountain)

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.

Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
32°
Warmest Month
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 9°C and lows of 1°C. Significant rainfall (116 mm) and partly cloudy skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
75%
Humidity
Very Humid

Weather

116 mm
Rainfall
5.1 m/s
Wind
Light Breeze
0.5
UV Index
Moderate
10.2h daylight

February

February is cold with highs of 10°C and lows of 2°C. Significant rainfall (143 mm) and partly cloudy skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
75%
Humidity
Very Humid

Weather

143 mm
Rainfall
4.8 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
10.9h daylight

March

March is cold with highs of 13°C and lows of 5°C. Heavy rain (204 mm) and partly cloudy skies.

48 Poor

Comfort

Feels Like Cold
C
Temperature
13°
73%
Humidity
Very Humid

Weather

204 mm
Rainfall
4.8 m/s
Wind
Light Breeze
1.1
UV Index
High
11.9h daylight

April

April is cool with highs of 17°C and lows of 9°C. Heavy rain (259 mm) and partly cloudy skies.

58 Acceptable

Comfort

13°
Feels Like Cool
13°C
Temperature
17°
75%
Humidity
Very Humid

Weather

259 mm
Rainfall
4.7 m/s
Wind
Light Breeze
1.4
UV Index
High
12.8h daylight

May

May is cool with highs of 21°C and lows of 13°C. Heavy rain (323 mm) and mostly overcast skies.

56 Acceptable

Comfort

17°
Feels Like Cool
17°C
Temperature
13° 21°
79%
Humidity
Very Humid

Weather

323 mm
Rainfall
4.2 m/s
Wind
Light Breeze
1.6
UV Index
Very High
13.6h daylight

June

June is mild with highs of 23°C and lows of 17°C. The wettest month with heavy rain (509 mm) and mostly overcast skies.

62 Good

Comfort

20°
Feels Like Mild
20°C
Temperature
17° 23°
87%
Humidity
Very Humid

Weather

509 mm
Rainfall
4.5 m/s
Wind
Light Breeze
1.5
UV Index
High
14.0h daylight

July

July is mild with stifling humidity (dew point 25°C). Heavy rain (402 mm) and partly cloudy skies.

70 Very Good

Comfort

24°
Feels Like Mild
24°C
Temperature
21° 27°
87%
Humidity
Very Humid

Weather

402 mm
Rainfall
4.8 m/s
Wind
Light Breeze
2.0
UV Index
Very High
13.8h daylight

August

August is the warmest month with stifling humidity (dew point 25°C). Heavy rain (302 mm) and partly cloudy skies.

70 Very Good

Comfort

24°
Feels Like Warm
24°C
Temperature
21° 27°
82%
Humidity
Very Humid

Weather

302 mm
Rainfall
4.8 m/s
Wind
Light Breeze
2.0
UV Index
Very High
13.1h daylight

September

September is mild with muggy conditions (dew point 23°C). Heavy rain (258 mm) and partly cloudy skies.

70 Very Good

Comfort

22°
Feels Like Mild
22°C
Temperature
18° 25°
80%
Humidity
Very Humid

Weather

258 mm
Rainfall
5.2 m/s
Wind
Light Breeze
1.5
UV Index
Very High
12.2h daylight

October

October is cool with highs of 21°C and lows of 13°C. Significant rainfall (149 mm) and partly cloudy skies.

68 Good

Comfort

17°
Feels Like Cool
17°C
Temperature
13° 21°
74%
Humidity
Very Humid

Weather

149 mm
Rainfall
4.4 m/s
Wind
Light Breeze
1.1
UV Index
High
11.3h daylight

November

November is cool with highs of 16°C and lows of 8°C. Significant rainfall (123 mm) and partly cloudy skies.

68 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
16°
73%
Humidity
Very Humid

Weather

123 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
10.4h daylight

December

December is cold with highs of 12°C and lows of 3°C. Significant rainfall (101 mm) and partly cloudy skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
74%
Humidity
Very Humid

Weather

101 mm
Rainfall
4.6 m/s
Wind
Light Breeze
0.5
UV Index
Low
10.0h daylight

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