JapanIslandUNESCO World Heritage
Tokunoshima
248 km² rising to 645 m out of the East China Sea.
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
248km²
Area
113km
Coastline
645m
Highest point
Inokawa Dake
29,156
People
29°C
Warmest sea
August
694km
To the mainland
When to go to Tokunoshima
Best for the beach from June to September and in November.
The sea is warmest in August (29 °C) and coolest in March (21 °C). You can swim comfortably all year (21 °C or more).
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 Kagoshima, Japan
Tokunoshima is an island in Japan. It covers 248 km², with 113 km of coastline. Its highest point, Inokawa Dake, rises to 645 m. About 29,156 people live on it. The nearest mainland is 694 km away. It is part of a UNESCO World Heritage site.
Getting there
- Tokunoshima Airport (TKN)airport on the island, with scheduled flightsCar hire at TKN airport (Amagi)Discover Cars · Affiliate link↗
- Ferries3 ferry terminals on the island
- 694 km from the mainlanddistance to the nearest continental coast
- From June to September and Novemberbest 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 Tokunoshima.
- 97beaches
- 15viewpoints
- 5lighthousesKanamisaki Lighthouse and 4 more
- 3ferry terminals
- 11named peaksMt. Inokawa, Mt. Amagi, Mt. Sasontsuji and 8 more
- 2waterfalls
- 1ruins and archaeological sites
- 1campsites
- 6hotels, guesthouses and apartments
- 7restaurants, 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
Tokunoshima in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Tokunoshima, each with its own numbers.
9mountainsPeakyas
Highest point
645m
Inokawa Dake
prominence 645 m · according to Peakyas
9 mountains
on Peakyas, the mountain atlas
- Inokawa Dakeprominence 645 m645m
- Yamatogusuku Yama
- Umakura Dake
- Hage Dake
- Sasontsuji Dake
- Ōgusuku Yama
- Minada Yama
- Inutabu Dake
1 more on PeakyasOpen Peakyas ↗
The shape of the land.
On average the island stands 137 m above the sea. 79 % of it is below 200 m.
- 20 %0–50 m
- 59 %50–200 m
- 21 %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
- Tokuwase10,147 people
- Isen6,594 people
- Amagi6,350 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 18 | 18 | 19 | 21 | 24 | 26 | 29 | 29 | 28 | 26 | 23 | 20 |
| Night low (°C) | 16 | 16 | 17 | 20 | 22 | 25 | 28 | 28 | 27 | 25 | 22 | 18 |
| Sea (°C) | 22 | 21 | 21 | 22 | 24 | 26 | 28 | 29 | 28 | 27 | 25 | 23 |
| Rain (mm) | 84 | 79 | 124 | 174 | 250 | 381 | 173 | 177 | 194 | 139 | 98 | 91 |
| Wet days | 15 | 14 | 17 | 17 | 19 | 24 | 20 | 21 | 19 | 16 | 13 | 14 |
| Sun h/day | 1.8 | 2.3 | 3.5 | 4.4 | 5.0 | 4.5 | 8.6 | 8.4 | 7.0 | 5.5 | 3.6 | 2.2 |
| Wind (km/h) | 27 | 26 | 25 | 23 | 20 | 22 | 21 | 22 | 22 | 26 | 25 | 27 |
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 | −0.1 | ±0.0 | +0.5 | −0.2 | −0.4 | +0.3 | ±0.0 | +1.3 | +0.1 | +0.7 | +0.8 | +0.6 |
| 2021 | +0.5 | +0.3 | +1.0 | +0.7 | +0.4 | +0.4 | −0.2 | −0.5 | +0.7 | +0.7 | +0.2 | +0.1 |
| 2022 | −0.1 | −0.2 | +0.3 | +1.2 | +0.5 | −0.3 | +0.1 | +1.1 | +0.6 | +0.5 | +0.2 | +0.4 |
| 2023 | +0.5 | +0.3 | +0.4 | +0.5 | −0.2 | −0.4 | +0.1 | −0.4 | +0.7 | +0.9 | +1.1 | +1.0 |
| 2024 | +0.7 | +0.5 | +0.3 | +1.2 | +1.0 | +0.2 | +1.4 | +1.8 | +1.1 | +1.7 | +2.2 | +0.8 |
| 2025 | ±0.0 | −0.2 | +0.3 | −0.3 | −0.1 | +0.9 | +0.3 | +0.5 | +1.6 | +2.3 | +1.4 | +0.8 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Amami ŌshimaJapan713 km²694 m67 km away
OkinoerabujimaJapan94 km²240 m62 km away
Kikai IslandJapan57 km²211 m118 km away
OkinawaJapan1,210 km²503 m178 km away
IejimaJapan23 km²172 m167 km away
Kume IslandJapan60 km²310 m269 km away
YakushimaJapan505 km²1,936 m322 km away
Kuchinoerabu IslandJapan36 km²657 m317 km awayAbout these numbers
| Names, area, population | Wikidata (Q701847) · 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 | Peakyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · 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
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