Takatsuma Yama

Mountain Forest-covered mountain in Niigata Prefecture

A mountain in Niigata Prefecture used by day-hikers for ridge walks, summer alpine flowers and heavy winter snowpack.

Main image
Mount Takatsuma from Kyuseishi.jpg
Mount Togakushi, Takatsuma, and Gojizo Panorama.jpg
Summit of Takatsuma from Gojizo.jpg
九勢至からの高妻山.jpg
九勢至から山頂を望む.jpg
十阿弥陀2.jpg
帯岩の鎖場.jpg
弥勒尾根から黒姫山を望む2.jpg
戸隠山から見た高妻山2.jpg
戸隠山山頂からの高妻山.jpg
Takatsuma Yama
36.8000, 138.0525

How to Get to Takatsuma Yama #

Takatsuma Yama is reached from Niigata’s local road network; base towns in the prefecture serve as starting points. Public transportation options vary-regional buses and local trains get close, then use local trails and trailheads to approach the mountain.

Tips for Visiting Takatsuma Yama #

  • Local topographic maps are essential-approach trails can be convoluted and poorly marked.
  • Check trail and mountain hut availability in Niigata prefecture before setting off on longer trips.
  • Be prepared for rapidly changing weather, especially at higher elevations.

Best Time to Visit Takatsuma Yama #

Late spring through autumn is best for access; autumn offers the most scenic foliage.

Summer
June-September · 10-22°C (50-72°F)
Best for hiking and alpine flowers; snow-free in most seasons.
Autumn
September-November · 0-15°C (32-59°F)
Fall colors and clearer air make for dramatic vistas.
Winter
December-March · -10-5°C (14-41°F)
Heavy snow; only for experienced winter mountaineers.

Weather & Climate near Takatsuma Yama #

Climate

Takatsuma Yama's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -14°C to 20°C. Abundant rainfall (1981 mm/year), wettest in August.

Best Time to Visit
AugustSeptemberJune
Temperature & Rainfall
Temperature Range
33°
Warmest Month
-11°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -5°C and lows of -14°C. Moderate rainfall (74 mm), partly cloudy skies, and breezy conditions.

33 Poor

Comfort

-10°
Feels Like Freezing
-10°C
Temperature
-14° -5°
90%
Humidity
Very Humid

Weather

74 mm
Rainfall
8.3 m/s
Wind
Breezy
0.3
UV Index
Low
9.8h daylight

February

February is freezing with highs of -5°C and lows of -14°C. Moderate rainfall (79 mm), partly cloudy skies, and breezy conditions.

31 Poor

Comfort

-9°
Feels Like Freezing
-9°C
Temperature
-14° -5°
87%
Humidity
Very Humid

Weather

79 mm
Rainfall
7.5 m/s
Wind
Breezy
0.5
UV Index
Moderate
10.7h daylight

March

March is freezing with highs of -1°C and lows of -11°C. Significant rainfall (108 mm), partly cloudy skies, and breezy conditions.

33 Poor

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-11° -1°
82%
Humidity
Very Humid

Weather

108 mm
Rainfall
7.8 m/s
Wind
Breezy
0.8
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 5°C and lows of -4°C. Significant rainfall (145 mm), partly cloudy skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
-4°
77%
Humidity
Very Humid

Weather

145 mm
Rainfall
7.1 m/s
Wind
Breezy
1.2
UV Index
High
13.0h daylight

May

May is cold with highs of 11°C and lows of 1°C. Significant rainfall (167 mm), partly cloudy skies, and breezy conditions.

48 Poor

Comfort

Feels Like Cold
C
Temperature
11°
77%
Humidity
Very Humid

Weather

167 mm
Rainfall
6.0 m/s
Wind
Breezy
1.5
UV Index
High
14.0h daylight

June

June is cool with highs of 15°C and lows of 6°C. Heavy rain (240 mm) and mostly overcast skies.

52 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
15°
81%
Humidity
Very Humid

Weather

240 mm
Rainfall
5.5 m/s
Wind
Light Breeze
1.5
UV Index
Very High
14.5h daylight

July

July is cool with highs of 19°C and lows of 11°C. Heavy rain (270 mm) and mostly overcast skies.

52 Acceptable

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 19°
84%
Humidity
Very Humid

Weather

270 mm
Rainfall
5.0 m/s
Wind
Light Breeze
1.6
UV Index
Very High
14.2h daylight

August

August is cool with highs of 20°C and lows of 12°C. The wettest month with heavy rain (290 mm) and mostly overcast skies.

56 Acceptable

Comfort

16°
Feels Like Cool
16°C
Temperature
12° 20°
82%
Humidity
Very Humid

Weather

290 mm
Rainfall
5.1 m/s
Wind
Light Breeze
1.6
UV Index
Very High
13.4h daylight

September

September is cool with highs of 16°C and lows of 8°C. Heavy rain (274 mm) and mostly overcast skies.

54 Acceptable

Comfort

12°
Feels Like Cool
12°C
Temperature
16°
83%
Humidity
Very Humid

Weather

274 mm
Rainfall
5.6 m/s
Wind
Light Breeze
1.2
UV Index
High
12.3h daylight

October

October is cold with highs of 10°C and lows of 1°C. Significant rainfall (155 mm), partly cloudy skies, and breezy conditions.

48 Poor

Comfort

Feels Like Cold
C
Temperature
10°
82%
Humidity
Very Humid

Weather

155 mm
Rainfall
7.0 m/s
Wind
Breezy
0.8
UV Index
Moderate
11.1h daylight

November

November is cold with highs of 5°C and lows of -4°C. Significant rainfall (107 mm), partly cloudy skies, and breezy conditions.

42 Poor

Comfort

Feels Like Cold
C
Temperature
-5°
84%
Humidity
Very Humid

Weather

107 mm
Rainfall
6.9 m/s
Wind
Breezy
0.5
UV Index
Low
10.1h daylight

December

December is freezing with highs of -2°C and lows of -11°C. Moderate rainfall (72 mm), partly cloudy skies, and breezy conditions.

37 Poor

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-11° -2°
88%
Humidity
Very Humid

Weather

72 mm
Rainfall
7.4 m/s
Wind
Breezy
0.3
UV Index
Low
9.6h daylight

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