Arisaema sachalinense (Miyabe & Kudô) J.Murata, J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 14 66 (1986) (48029859796).jpg

sunoochi from Sapporo, Hokkaido, Japan CC BY 2.0 Wikimedia Commons

Mount Rebun

Mountain

On Rebun Island off Hokkaido, the mountain and its coastal trails attract walkers for cliffside panoramas and distinctive summer alpine flora.

Mount Rebun SapporoHakodateAsahikawaKushiroObihiroKitamiEbetsuTomakomaiMount Rebun

Mount Rebun essentials

Address: Rebun Island, Hokkaido Prefecture, Japan (Rishiri-Rebun-Sarobetsu National Park)
Website: env.go.jp
Hours: Always open
Admission: Free

Mount Rebun is a mountain on Rebun Island in Hokkaido Prefecture, Japan, recorded at the supplied coordinates. It is a natural geographic feature rather than a built landmark.

People who go to the island commonly engage in outdoor activities such as hiking and coastal viewing; specific trails and amenities are not detailed here. Local access and visitor services are managed at the municipal and prefectural level.

As a natural landform the mountain does not have a construction history; human use is limited to travel, recreation and local stewardship. Any traditional or cultural significance is not provided in the available data.

The peak sits on Rebun Island in Hokkaido Prefecture, Japan, at latitude 45.37254 and longitude 141.01592.

  • Coordinates: Latitude 45.37254, Longitude 141.01592.
Things to Do
When to Go

Best Time to Visit Mount Rebun#

Best time is summer (June-August) when ferries run regularly and alpine paths are clear.

Summer
June-August · 8-20°C
The only comfortable season for the full island trek; wildflowers and clear sea vistas are at their best.
Late spring/early autumn
May & September · 4-15°C
Quieter and cooler; ferry services become less frequent and weather turns more changeable.
Winter
October-April · -10-5°C
Harsh, snowy conditions; access is generally impractical unless experienced in cold alpine travel.

Weather & Climate near Mount Rebun#

Climate

Mount Rebun'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 -10°C to 20°C. Abundant rainfall (1149 mm/year), wettest in September.

Air Quality: AQI 41 Good
Best Time to Visit
SeptemberJulyAugust
Temperature & Rainfall
Temperature Range
25°
Warmest Month
-12°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -10° - -4° -15° 92 mm overcast 82% 6.5 m/s 0.1 low 9.0h
February Poor -9° - -4° -14° 65 mm overcast 80% 6.0 m/s 0.2 low 10.2h
March Poor -6° - -1° -9° 61 mm overcast 77% 5.6 m/s 0.4 low 11.8h
April Poor -1° - 5° -3° 61 mm overcast 82% 5.6 m/s 0.8 moderate 13.4h
May Acceptable 3° - 10° 3° 74 mm overcast 89% 5.4 m/s 1.1 high 14.7h
June Acceptable 8° - 14° 11° 75 mm overcast 91% 4.6 m/s 1.3 high 15.4h
July Good 13° - 18° 16° 103 mm overcast 91% 4.3 m/s 1.4 high 15.1h
August Good 15° - 20° 18° 129 mm overcast 87% 4.4 m/s 1.3 high 13.9h
September Good 12° - 17° 15° 134 mm partly cloudy 77% 4.8 m/s 0.9 moderate 12.4h
October Acceptable 6° - 12° 6° 127 mm partly cloudy 73% 5.7 m/s 0.4 low 10.8h
November Poor -1° - 4° -3° 121 mm overcast 77% 6.2 m/s 0.1 low 9.4h
December Poor -6° - -1° -10° 107 mm overcast 81% 6.4 m/s 0.1 low 8.6h
Getting There & Around

How to Get to Mount Rebun#

Ferries to Rebun Island depart from Wakkanai (the northern tip of Hokkaido); the crossing takes about 1.5-2 hours. From the island ferry terminal buses connect to the main trailheads, or taxis can be hired in peak season.

Most visitors base themselves in Rebun Village or Kafuka before hiking; during summer check ferry timetables in advance (services are reduced outside June-August).

Tips for Visiting Mount Rebun#

  • Catch the ferry to Rebun from Wakkanai and then take the island bus to the trailhead - schedules can be sparse outside summer.
  • Climb early: the summit offers wide views but afternoon fog is common; plan for sudden weather changes.
  • Bring warm layers even in summer; coastal winds are chilly and exposure high on the summit plateau.
  • Respect fragile alpine plants - Rebun is famed for its endemic alpine flora found in a small area of the island.