Mount Rishiri

Mountain Isolated volcanic island and distinctive conical peak

A volcanic island off Hokkaido, Mount Rishiri rises steeply from the sea; hikers come for a day summit, coastal views and fresh seafood in nearby towns.

Main image
ISS044-E-329 - View of Japan.jpg
ISS044-E-330 - View of Japan.jpg
ISS044-E-331 - View of Japan.jpg
ISS044-E-332 - View of Japan.jpg
ISS044-E-333 - View of Japan.jpg
Japan, Hokkaido - Rishirisan 1999.jpg
Japan, Hokkaido, Rishiri island - Himenuma 1977 1.jpg
Japan, Hokkaido, Rishiri island - Himenuma 1977 2.jpg
Japan, Hokkaido, Rishiri island - Mikazuki Otatomari ponds 1.jpg
Japan, Hokkaido, Rishiri island - Mikazuki Otatomari ponds 2.jpg

Mount Rishiri is a volcanic cone that dominates Rishiri Island off the northwest coast of Hokkaido. The mountain is the island’s central feature and is visible from the surrounding sea, forming a distinctive conical profile.

Hiking the mountain is the primary reason people visit the island; the main route climbs steeply from near the harbour and requires a full day for ascent and descent on most itineraries. The summit offers wide coastal views and is often clear on calm weather days.

The peak is the remnant of volcanic activity and has long been a landmark for local navigation and island life. Trails and local facilities are concentrated around the island’s principal settlement and ferry terminal.

Rishiri Island lies off Hokkaido’s northwestern shore and is reached by scheduled ferries; the island village serves as the usual base for visitors.

  • Distinctive shape: Forms a near-perfect volcanic cone rising directly from the surrounding sea, giving the summit extensive coastal views on clear days.
  • Hiking note: Typical ascents from the port and trailhead are done as long day hikes; hikers should be prepared for steep, rocky sections and changeable weather.

What to See #

  • Rishiri summit trail: A steep cratered summit trail that typically requires a full-day effort from the island's ferry port; the ascent offers continuous sea and island views.
  • Oshidomari town: The island's main harbour and service settlement where most visitors begin and end their island visit, with ferries connecting to mainland Hokkaido.
Mount Rishiri
Rishiri Island, Hokkaido, Japan (Rishiri-Rebun-Sarobetsu National Park)
45.1806, 141.2410
Open year-round
Free (no admission)

How to Get to Mount Rishiri #

Rishiri (Rishiri-zan) is on Rishiri Island off the northwest coast of Hokkaido. Regular ferries operate between Wakkanai and Rishiri (seasonal schedules), arriving at Rishirifuji port; Heartland Ferry operates services on this route. From Rishirifuji port you can reach trailheads for Mount Rishiri by local bus (seasonal) or taxi - the ride from the port to common trailheads is typically about 10-20 minutes.

Alternately, visitors sometimes fly to the island’s small airport when flights operate; once on Rishiri Island the road network and local buses/taxis connect the port, airport and mountain trailheads.

Tips for Visiting Mount Rishiri #

  • Take the earliest ferry or flight that serves Rishiri Island (most visitors arrive from Wakkanai) so you have a full, calm-day window for the climb - afternoon sea fog and wind commonly build up and can spoil summit visibility.
  • Begin the ascent from the island's main trailhead soon after arrival; the climb is exposed and weather on the island changes quickly, so allow time to descend before evening winds pick up.
  • Explore the coastal approach and local visitor information on the island before setting out - facilities and transport options are limited off the main port, so plan logistics (ferries/return) in advance.

Best Time to Visit Mount Rishiri #

Summer (June-September) is the best time to visit Mount Rishiri for hiking and reliable access; autumn is good for views and colors.

Summer (best for hiking)
June-September · 5-20°C
The main hiking season: trails and access by boat or ferry are most reliable, with long daylight and generally stable weather.
Autumn
September-October · 0-10°C
Cooler conditions with good visibility and fall colors; weather turns quickly as winter approaches.
Winter (snowy)
November-March · -10-0°C
Snow and ice make routes hazardous and many services unavailable; only experienced, well-equipped parties should attempt winter travel.

Weather & Climate near Mount Rishiri #

Climate

Mount Rishiri's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -15°C to 17°C. Abundant rainfall (1307 mm/year), wettest in August.

Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
26°
Warmest Month
-12°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -9°C and lows of -15°C. Regular rainfall (89 mm), mostly overcast skies, and breezy conditions.

25 Poor

Comfort

-12°
Feels Like Freezing
-12°C
Temperature
-15° -9°
82%
Humidity
Very Humid

Weather

89 mm
Rainfall
8.2 m/s
Wind
Breezy
0.1
UV Index
Low
9.0h daylight

February

February is the coldest month with highs of -8°C and lows of -15°C. Moderate rainfall (69 mm), mostly overcast skies, and breezy conditions.

27 Poor

Comfort

-12°
Feels Like Freezing
-12°C
Temperature
-15° -9°
80%
Humidity
Very Humid

Weather

69 mm
Rainfall
7.6 m/s
Wind
Breezy
0.2
UV Index
Low
10.2h daylight

March

March is freezing with highs of -6°C and lows of -12°C. Moderate rainfall (71 mm), mostly overcast skies, and breezy conditions.

29 Poor

Comfort

-9°
Feels Like Freezing
-9°C
Temperature
-12° -6°
77%
Humidity
Very Humid

Weather

71 mm
Rainfall
6.6 m/s
Wind
Breezy
0.4
UV Index
Low
11.8h daylight

April

April is freezing with highs of 0°C and lows of -6°C. Moderate rainfall (74 mm), mostly overcast skies, and breezy conditions.

33 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-6°
82%
Humidity
Very Humid

Weather

74 mm
Rainfall
6.5 m/s
Wind
Breezy
0.8
UV Index
Moderate
13.4h daylight

May

May is cold with highs of 6°C and lows of -1°C. Regular rainfall (91 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
-1°
87%
Humidity
Very Humid

Weather

91 mm
Rainfall
6.1 m/s
Wind
Breezy
1.1
UV Index
High
14.7h daylight

June

June is cold with highs of 12°C and lows of 4°C. Regular rainfall (90 mm) and mostly overcast skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
89%
Humidity
Very Humid

Weather

90 mm
Rainfall
5.2 m/s
Wind
Light Breeze
1.3
UV Index
High
15.4h daylight

July

July is cool with highs of 16°C and lows of 9°C. Significant rainfall (128 mm) and mostly overcast skies.

56 Acceptable

Comfort

13°
Feels Like Cool
13°C
Temperature
16°
90%
Humidity
Very Humid

Weather

128 mm
Rainfall
4.9 m/s
Wind
Light Breeze
1.4
UV Index
High
15.1h daylight

August

August is cool with highs of 17°C and lows of 11°C. The wettest month with heavy rain (163 mm) and mostly overcast skies.

56 Acceptable

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 17°
86%
Humidity
Very Humid

Weather

163 mm
Rainfall
5.0 m/s
Wind
Light Breeze
1.3
UV Index
High
13.9h daylight

September

September is cold with highs of 13°C and lows of 6°C. Significant rainfall (155 mm) and partly cloudy skies.

52 Acceptable

Comfort

10°
Feels Like Cold
10°C
Temperature
13°
77%
Humidity
Very Humid

Weather

155 mm
Rainfall
5.5 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
12.4h daylight

October

October is cold with highs of 7°C and lows of 0°C. Significant rainfall (147 mm), partly cloudy skies, and breezy conditions.

42 Poor

Comfort

Feels Like Cold
C
Temperature
73%
Humidity
Very Humid

Weather

147 mm
Rainfall
6.8 m/s
Wind
Breezy
0.4
UV Index
Low
10.8h daylight

November

November is freezing with highs of 0°C and lows of -6°C. Significant rainfall (126 mm), mostly overcast skies, and breezy conditions.

25 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-6°
77%
Humidity
Very Humid

Weather

126 mm
Rainfall
7.5 m/s
Wind
Breezy
0.1
UV Index
Low
9.4h daylight

December

December is freezing with highs of -6°C and lows of -11°C. Significant rainfall (104 mm), mostly overcast skies, and breezy conditions.

23 Poor

Comfort

-9°
Feels Like Freezing
-9°C
Temperature
-11° -6°
82%
Humidity
Very Humid

Weather

104 mm
Rainfall
7.9 m/s
Wind
Breezy
0.1
UV Index
Low
8.6h daylight

Nearby Attractions to Mount Rishiri