Thailand
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
217km²
Area
81km
Coastline
measured on a simplified outline
743m
Highest point
5,356
People
30°C
Warmest sea
May
3km
To the mainland
When to go to Ko Chang
Best for the beach from December to February.
The sea is warmest in May (30 °C) and coolest in January (28 °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 eastern Thailand
Ko Chang is an island in Thailand. It covers 217 km², with 81 km of coastline. Its highest point rises to 743 m. About 5,356 people live on it. The nearest mainland is 3 km away.
Getting there
- Trat Airport (TDX)nearest airport with scheduled flights · 19 km in a straight lineCar hire in RayongDiscover Cars · Affiliate link↗
- FerriesFerry Koh Chang, Speedboat, Ko Chang Speedboat, Ko Wai Speedboat
- 3 km from the mainlanddistance to the nearest continental coast
- From December to Februarybest 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 Ko Chang.
- 19beachesLonely Beach, Coral Beach, Coral Reef and 16 more
- 17viewpointsKai Bae View Point, Scenic road, Mountain peak. View point and 14 more
- 1lighthouses
- 2ferry terminalsTha Sapparot Pier, Tan Mayom Pier
- 2marinasKoh Chang Marina, Siam Royal View Marina
- 2named peaksKhao Salak Phet, Mountain Hostel
- 17waterfallsThanmayom Waterfall, Khiri Phet Waterfall, Khlong Nueng and 14 more
- 4dive centresScuba Dawgs (Koh chang Diving), THAI OCEAN ACADEMY KOH CHANG, BB Diving Shop and 1 more
- 4campsitesCamping, Secret camp spot and 2 more
- 235hotels, guesthouses and apartments
- 370restaurants, 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
Ko Chang in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Ko Chang, each with its own numbers.
10beaches and covesCoastya
19mountainsPeakyas
4waterfallsCascadyas
Beach with the warmest sea
30.5°C
sea in the warmest month · according to Coastya
10 beaches
on Coastya, the beach atlas
- Hat Khlong Phrao30.4°C
- Hat Tha Nam30.4°C
- Hat Sai Khao30.5°C
- Hat Kai Mook30.5°C
- Hat Kai Bae30.4°C
- Hat Chaiyachet30.5°C
- Hat Sai Daeng30.4°C
- Lonely Beach30.4°C
2 more on CoastyaOpen Coastya ↗
19 mountains
on Peakyas, the mountain atlas
- Khao Khlong Tham
- Khao Hin Khong
- Khao Chom Prasat
- Khao Chek Bae
- Khao Noi
- Khao Lan
- Khao Khlong Bo
- Khao Chang Sam Luk
11 more on PeakyasOpen Peakyas ↗
4 waterfalls
on Cascadyas, the waterfall atlas
- Nam Tok Than Mayom
- Nam Tok Khiri Phet
- Nam Tok Khlong Nueng
- Nam Tok Khlong Phlu
Cascadyas is coming soonOpen Cascadyas ↗
The shape of the land.
On average the island stands 185 m above the sea. 58 % of it is below 200 m.
- 27 %0–50 m
- 31 %50–200 m
- 38 %200–500 m
- 3 %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
- Ko Chang12,346 people
- Ko Chang Tai2,346 people
- Ko Changno census figure
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 28 | 28 | 29 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Night low (°C) | 24 | 24 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 24 |
| Sea (°C) | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 28 |
| Rain (mm) | 45 | 53 | 106 | 151 | 369 | 556 | 691 | 581 | 610 | 324 | 105 | 36 |
| Wet days | 6 | 7 | 14 | 17 | 26 | 28 | 30 | 29 | 29 | 25 | 12 | 5 |
| Sun h/day | 7.4 | 6.8 | 6.3 | 6.3 | 5.2 | 4.7 | 4.4 | 3.9 | 3.9 | 5.4 | 6.7 | 7.5 |
| Wind (km/h) | 8 | 8 | 9 | 8 | 10 | 11 | 12 | 13 | 11 | 8 | 8 | 9 |
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 | +0.8 | +0.4 | +0.2 | +0.8 | +0.4 | +0.4 | +0.8 | +1.0 | +1.0 | +0.1 | −0.1 | −0.3 |
| 2021 | −0.5 | −0.3 | −0.1 | +0.1 | +0.1 | +0.5 | +0.3 | +0.3 | +0.3 | ±0.0 | +0.5 | −0.3 |
| 2022 | +0.6 | +0.9 | +0.7 | +0.4 | −0.2 | +0.7 | +0.3 | +0.5 | +0.4 | −0.1 | +0.1 | −0.1 |
| 2023 | −0.6 | +0.3 | −0.2 | +0.7 | +0.8 | ±0.0 | +0.2 | +0.6 | +0.3 | +0.7 | +1.0 | +0.8 |
| 2024 | +0.9 | +1.2 | +0.8 | +1.2 | +1.2 | +1.0 | +0.3 | +0.9 | +0.9 | +0.8 | +1.2 | +0.3 |
| 2025 | −0.4 | +0.3 | +0.2 | +0.1 | +0.3 | +0.2 | ±0.0 | +0.5 | +0.1 | +0.2 | −0.1 | −0.2 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Cambodia
Vietnam
About these numbers
| Names, area, population | Wikidata (Q941265) · CC0 |
|---|---|
| Outline | Natural Earth · public domain |
| 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, Cascadyas — 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
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