Japan
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
81.0km²
Area
79km
Coastline
490m
Highest point
Mount Rebun
3,142
People
20°C
Warmest sea
August
237km
To the mainland
When to go to Rebun Island
Best to visit in August.
The sea is warmest in August (20 °C) and coolest in February (4 °C). The water never reaches 21 °C: bring a wetsuit.
Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.
Island in Hokkaido, Japan
Rebun Island is an island in Japan. It belongs to Japanese archipelago. It covers 81.0 km², with 79 km of coastline. Its highest point, Mount Rebun, rises to 490 m. About 3,142 people live on it. The nearest mainland is 237 km away.
Getting there
- Rishiri Airport (RIS)nearest airport with scheduled flights · 19 km in a straight lineCar hire at WKJ airport (Wakkanai)Discover Cars · Affiliate link↗
- FerriesRishiri Island (Oshido Mari) - Rebun Island (Kafuka), Wakkanai - Rebun Island (Kafuka), Rishiri Island (Kutsugata) - Rebun Island (Kafuka)
- 237 km from the mainlanddistance to the nearest continental coast
- Augustbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
On the island
What you find on Rebun Island.
- 23viewpointsMomiwa Observatory, Momoiwa Observatory Shiretoko Course and 21 more
- 6lighthouses
- 1ferry terminals
- 5named peaksMt. Rebun, Mt. Futanami, Mt. Gorota and 2 more
- 2campsites
- 22hotels, guesthouses and apartments
- 8restaurants, cafés and bars
Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.
Cross-checked with our atlases
Rebun Island in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Rebun Island, each with its own numbers.
3beaches and covesCoastya
2mountainsPeakyas
1lakeLakeyas
Highest point
490m
Mount Rebun
prominence 490 m · according to Peakyas
Largest lake
0.50km²
Kushu Ko
according to Lakeyas
Warmest lake
21.8°C
Kushu Ko
surface water, warmest month · according to Lakeyas
Beach with the warmest sea
19.7°C
Gorotano Hama
sea in the warmest month · according to Coastya
3 beaches
on Coastya, the beach atlas
- Obata Hama19.7°C
- Menou Hama19.7°C
- Gorotano Hama19.7°C
2 mountains
on Peakyas, the mountain atlas
- Mount Rebunprominence 490 m490m
- Mount Oshonnai167m
1 lakes
on Lakeyas, the lake atlas
- Kushu Ko0.50km²
Lakeyas is coming soonOpen Lakeyas ↗
The shape of the land.
On average the island stands 127 m above the sea. 80 % of it is below 200 m.
- 21 %0–50 m
- 59 %50–200 m
- 20 %200–500 m
Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).
Size, for real
Next to islands you may know.
10 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Kafukamura2,509 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | -2 | -2 | 1 | 5 | 9 | 14 | 18 | 21 | 19 | 14 | 6 | 0 |
| Night low (°C) | -4 | -4 | -1 | 3 | 7 | 11 | 16 | 19 | 17 | 11 | 4 | -2 |
| Sea (°C) | 5 | 4 | 5 | 6 | 8 | 12 | 16 | 20 | 19 | 16 | 11 | 7 |
| Rain (mm) | 91 | 76 | 69 | 59 | 76 | 78 | 99 | 126 | 116 | 108 | 109 | 118 |
| Wet days | 23 | 18 | 14 | 11 | 11 | 11 | 13 | 13 | 14 | 15 | 18 | 23 |
| Sun h/day | 1.5 | 2.9 | 5.2 | 6.3 | 5.7 | 4.6 | 4.6 | 5.2 | 6.2 | 4.7 | 2.1 | 1.0 |
| Wind (km/h) | 28 | 28 | 27 | 24 | 22 | 20 | 18 | 20 | 23 | 28 | 30 | 31 |
Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.
Recent years
Warmer and cooler years at sea.
Each month's sea temperature compared with its 1991–2020 average, in degrees.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | +0.3 | −0.5 | +0.3 | +0.6 | +0.5 | +0.5 | +1.4 | −0.3 | +0.3 | +1.9 | +1.2 | +1.9 |
| 2021 | ±0.0 | −0.1 | ±0.0 | +0.5 | +0.6 | −0.4 | +1.6 | +0.8 | +0.7 | +1.2 | +1.6 | +2.8 |
| 2022 | +1.7 | −0.5 | +0.2 | +0.7 | +0.2 | +1.1 | +1.0 | +1.5 | +0.3 | +1.4 | +1.6 | +1.9 |
| 2023 | +2.0 | +1.4 | +0.5 | +1.0 | +0.9 | +1.8 | +2.1 | +1.5 | +2.5 | +2.4 | +2.9 | +2.6 |
| 2024 | +2.4 | +2.0 | −0.1 | +0.4 | −0.5 | −0.4 | −0.5 | −0.2 | −0.2 | +0.1 | +0.1 | +1.4 |
| 2025 | +1.5 | +2.3 | +1.4 | +1.8 | +2.0 | +1.2 | +2.7 | +3.5 | +2.0 | +1.7 | −0.8 | +0.8 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Russia
About these numbers
| Names, area, population | Wikidata (Q623490) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Beaches, mountains, lakes and waterfalls | Coastya, Peakyas, Lakeyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST; HydroLAKES (Messager et al. 2016) · CC BY 4.0, LakeTEMP (Korver et al. 2024) · CC BY 4.0 |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.
beaches
Find your beach: sea temperature, sun and swimming month by month.Visit lakes
Every lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit mountains
Every summit in 3D: summit weather, the 0 °C line, huts and trails.Visit 
waterfalls
Every waterfall: height, flow month by month and when it roars.Coming soonVisit 
islands
Every island from the sea up: size, sea temperature, ferries and 3D.You are here
rivers
Every river from source to sea: the journey, the flow and the basin in numbers.Visit 
canyons
Every canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit