Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
694km²
Area
883km
Coastline
649m
Highest point
Mount Yatate
31,457
People
27°C
Warmest sea
August
44km
To the mainland
When to go to Tsushima Island
Best for the beach from July to October.
The sea is warmest in August (27 °C) and coolest in March (14 °C). Comfortable swimming (21 °C or more): from July to October.
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 Nagasaki, Japan
Tsushima Island is an island in Japan. It covers 694 km², with 883 km of coastline. Its highest point, Mount Yatate, rises to 649 m. About 31,457 people live on it. The nearest mainland is 44 km away.
Getting there
- Tsushima Airport (TSJ)airport on the island, with scheduled flightsCar hire at PUS airport (Busan)Discover Cars · Affiliate link↗
- FerriesBusan - Hitakatsu, Busan - Izuhara
- 44 km from the mainlanddistance to the nearest continental coast
- From July to Octoberbest 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 Tsushima Island.
- 23beachesMiuda Beach and 22 more
- 5viewpointsManzeki Bridge and 4 more
- 4lighthouses
- 14ferry terminalsIzuhara Port, Port Hitakatsu, Izuhara Port Perry Terminal and 11 more
- 1marinasTakashiki Marina
- 142named peaksYatate Yama, Mt. Mokkoku, Odakemitake and 139 more
- 1waterfallsNarutaki Falls
- 3castles and fortsKaneda Castle, Shimizuyama Castle
- 8ruins and archaeological sitesNaval Gun Fort (1885), Sino-Russian War Fort, gun emplacement and 5 more
- 4campsitesAsobay Park Camp, Miuta Camp Site and 2 more
- 17hotels, guesthouses and apartments
- 37restaurants, 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
Tsushima Island in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Tsushima Island, each with its own numbers.
2beaches and covesCoastya
6mountainsPeakyas
Highest point
558m
Mount Ariake
according to Peakyas
Beach with the warmest sea
27.3°C
Shimoana Ura
sea in the warmest month · according to Coastya
6 mountains
on Peakyas, the mountain atlas
- Mount Ariake558m
- Mount Shimizu
- Gongen Yama
- Tatera Yama
- Mount Mitake
- Mount Yatate
The shape of the land.
On average the island stands 118 m above the sea. 84 % of it is below 200 m.
- 25 %0–50 m
- 59 %50–200 m
- 16 %200–500 m
- <1 %500–1,000 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.
20 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Tsushima28,502 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 9 | 10 | 12 | 16 | 19 | 22 | 26 | 28 | 25 | 21 | 16 | 11 |
| Night low (°C) | 6 | 6 | 9 | 13 | 16 | 20 | 24 | 26 | 23 | 19 | 13 | 8 |
| Sea (°C) | 16 | 14 | 14 | 15 | 18 | 21 | 24 | 27 | 26 | 23 | 20 | 18 |
| Rain (mm) | 52 | 73 | 109 | 157 | 176 | 221 | 312 | 233 | 208 | 90 | 71 | 55 |
| Wet days | 8 | 8 | 11 | 11 | 11 | 14 | 17 | 17 | 13 | 8 | 9 | 8 |
| Sun h/day | 4.3 | 4.8 | 5.6 | 6.2 | 6.4 | 4.7 | 5.0 | 6.1 | 4.8 | 5.4 | 4.7 | 4.4 |
| Wind (km/h) | 27 | 25 | 24 | 23 | 19 | 18 | 19 | 20 | 23 | 23 | 23 | 26 |
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 | +0.9 | +0.9 | +0.9 | +0.4 | +0.1 | +0.7 | −1.4 | −0.2 | −0.5 | −0.9 | +0.2 | −0.1 |
| 2021 | +0.1 | +1.2 | +1.0 | +1.6 | +0.7 | +1.4 | +1.8 | +0.2 | +0.6 | +2.2 | +0.4 | +0.4 |
| 2022 | ±0.0 | −0.4 | +0.5 | +1.5 | +1.5 | +0.7 | +1.9 | +1.0 | +0.9 | +0.9 | +0.7 | +0.7 |
| 2023 | +0.2 | +0.7 | +1.8 | +1.7 | +0.9 | +1.4 | +0.9 | +1.1 | +1.6 | +0.4 | +0.9 | +0.7 |
| 2024 | +0.5 | +0.7 | +0.8 | +1.6 | +1.5 | +1.2 | +0.3 | +2.9 | +3.3 | +1.9 | +1.2 | −0.2 |
| 2025 | −0.3 | −0.8 | −0.7 | −0.4 | −0.3 | +0.1 | +2.4 | +2.0 | +3.1 | +2.8 | +1.5 | +1.0 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Iki Island
Okinoshima
Geojedo
Hirado Island
Kyushu
Hashima Island
Nagashima Island
ItsukushimaAbout these numbers
| Names, area, population | Wikidata (Q52051) · 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 — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST |
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.


