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South Korea South KoreaIsland

Geojedo

386 km² rising to 580 m out of the Korea Strait.

When to go

Geojedo seen from space, cut out from the sea (Sentinel-2)
GeojeSinhyeonKyosai
N 5 km

Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.

In numbers

386km²

Area

324km

Coastline

580m

Highest point

Gyeryongsan (South Gyeongsang Province)

241,711

People

26°C

Warmest sea

August

When to go to Geojedo

Best for the beach from August to September.

The sea is warmest in August (26 °C) and coolest in February (14 °C). Comfortable swimming (21 °C or more): from July to October.

Sea temperature (the water level) Air: night low to afternoon high Wet days Best months

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 South Korea

Geojedo is an island in South Korea. It covers 386 km², with 324 km of coastline. Its highest point, Gyeryongsan (South Gyeongsang Province), rises to 580 m. About 241,711 people live on it.

Read more on Wikipedia

Getting there

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 Geojedo.

  • 33beachesDeokpo Beach, Dolteumi Beach, Gujora Beach and 30 more
  • 50viewpoints
  • 9lighthouses
  • 14ferry terminalsNaedo Ferry, Dojangpo Ferry Terminal, Camelia Island Jishimdo Terminal and 11 more
  • 3marinasHaegeumgang Ferry, Jangseungpo Cruise Ship, Marina Bay
  • 123named peaksGarasan, Gyeryongsan (Mountain), Nojasan and 120 more
  • 2waterfallsMundong Waterfall
  • 5castles and fortsDundeok Castle (Deposed King Castle) and 4 more
  • 6ruins and archaeological sites
  • 15campsitesTourism Farm Park Munhwa, Esther Prayer House, Geumsegi Resort and 12 more
  • 245hotels, guesthouses and apartments
  • 544restaurants, 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

Geojedo in our other atlases

Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Geojedo, each with its own numbers.

  • 2beaches and covesCoastya
  • 13mountainsPeakyas
  • Highest point

    566m

    Gyeryongsan (South Gyeongsang Province)

    according to Peakyas

  • Beach with the warmest sea

    26.2°C

    Heungnamhaesuyokjang

    sea in the warmest month · according to Coastya

2 beaches

on Coastya, the beach atlas

  1. Heungnamhaesuyokjang26.2°C
  2. Nongsomongdolhaesuyokjang26.2°C

Open Coastya ↗

13 mountains

on Peakyas, the mountain atlas

  1. Gyeryongsan (South Gyeongsang Province)566m
  2. Tongmang-san
  3. Wangjo-san
  4. Daegeum San
  5. Noja-san
  6. Ognyeo Bong
  7. Ch'onjang-san
  8. Kari-san

5 more on PeakyasOpen Peakyas ↗

The shape of the land.

On average the island stands 127 m above the sea. 77 % of it is below 200 m.

  • 30 %0–50 m
  • 48 %50–200 m
  • 22 %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.

Geojedo386 km²
Madeira Island742 km²
Malta247 km²

20 km

All outlines drawn to the same scale (Natural Earth and OpenStreetMap).

Towns on the island

  • Geoje232,921 people
  • Sinhyeon82,560 people
  • Kyosai72,124 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)681216212426282520148
Night low (°C)-114813182224191371
Sea (°C)151414141620232625221917
Rain (mm)305279137144175299244176754633
Wet days4578911161510554
Sun h/day5.76.06.66.77.15.54.15.24.86.15.55.6
Wind (km/h)201918171514151517171719

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.

JanFebMarAprMayJunJulAugSepOctNovDec
2020+0.5+0.3+0.7+0.1−0.3+0.1−1.9−0.7−0.3−0.4−0.3−0.8
2021−0.6+0.6+0.6+1.0+0.2+1.1+2.3+0.8+0.4+2.1−0.3−0.6
2022−0.3−1.1−0.3+0.3+0.5+0.1+1.4+0.1+0.6+0.5+0.5±0.0
2023−0.7+0.1+1.3+1.2+0.5+0.9+0.2+1.5+1.8−0.1−0.5−0.6
2024−0.3+0.2+0.1+1.4+1.3+1.0−0.7+2.5+3.7+2.2+1.2−0.8
2025−1.3−1.7−1.6−1.3−0.9−0.5+2.1+1.5+2.2+2.7+1.3+0.3

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

About these numbers

Names, area, populationWikidata (Q485222) · CC0
Outline© OpenStreetMap contributors · ODbL
Sea temperatureNOAA OISST v2.1 · 1991–2020
ClimateNASA POWER · 1991–2020
Relief, 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Beaches, ports, lighthouses, trails© OpenStreetMap contributors · ODbL
TownsGeoNames · CC BY 4.0
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Beaches, mountains, lakes and waterfallsCoastya, 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.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.You are here
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit