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Indonesia IndonesiaIsland

Yamdena Island

3,269 km² of land in the Arafura Sea.

When to go

Yamdena Island seen from space, cut out from the sea (Sentinel-2)
Saumlaki
N 10 km

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

In numbers

3,269km²

Area

567km

Coastline

36m

Highest point

30°C

Warmest sea

December

404km

To the mainland

When to go to Yamdena Island

Best for the beach from August to September.

The sea is warmest in December (30 °C) and coolest in August (26 °C). You can swim comfortably all year (21 °C or more).

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 Tanimbar Islands Regency, Maluku Province, Indonesia

Yamdena Island is an island in Indonesia. It covers 3,269 km², with 567 km of coastline. Its highest point rises to 36 m. The nearest mainland is 404 km away.

Read more on Wikipedia

Getting there

  • Karel Sadsuitubun Airport (LUV)nearest airport with scheduled flights · 239 km in a straight lineCar hire at DPS airport (Kuta, Badung)Discover Cars · Affiliate link
  • FerriesBanda - Saumlaki, Saumlaki - Larat (Elat), Tepa - Saumlaki, Kalabahi - Saumlaki
  • 404 km from the mainlanddistance to the nearest continental coast
  • From August to Septemberbest 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 Yamdena Island.

  • 2ferry terminalsSaumlaki, Saumlaki Port
  • 3named peaksBotanipnyue, Riatu, Lainbuar

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

Yamdena Island in our other atlases

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

  • 3mountainsPeakyas

3 mountains

on Peakyas, the mountain atlas

  1. Mountain Riatu
  2. Gunung Lainbuar
  3. Gunung Botanipnyue

Open Peakyas ↗

The shape of the land.

On average the island stands 69 m above the sea. 99 % of it is below 200 m.

  • 40 %0–50 m
  • 59 %50–200 m
  • 1 %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.

Yamdena Island3,269 km²
Mallorca3,685 km²
Long Island3,529 km²

50 km

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

Towns on the island

  • Saumlaki12,916 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)292929302928282830323331
Night low (°C)262626262625242424262727
Sea (°C)292929292928262627282930
Rain (mm)2812222232101941275017162258208
Wet days282626222218124461426
Sun h/day5.05.45.66.25.95.66.37.88.58.78.16.0
Wind (km/h)191915162226262522181313

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+0.8+0.8+0.6+0.4+0.1+0.3+0.4+1.0+0.6+0.3+0.5+0.3
2021+0.2+0.1+0.4+0.3±0.0+0.4+0.6+1.1+0.7+1.0+0.5+0.3
2022−0.6+0.2+0.5+0.7+1.1+1.5+0.9+0.8+1.1+1.2+0.7−0.1
2023−0.2−0.7+0.1±0.0+0.1+0.2+0.8+0.6−0.4−0.5−0.1−0.2
2024+0.1+0.1+0.4+0.8+0.7+0.4+0.6+0.6+0.5+0.7+0.7±0.0
2025+1.0+0.4+0.7+0.4+0.3+0.6+0.6+0.6+0.4+0.6±0.0−0.1

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Royal ceremonial pendant (masa) with head of Garuda, Tanimbar, Yamdena Island, 16th-19th century, gold alloy, HAA
Hiart · CC0

About these numbers

Names, area, populationWikidata (Q431318) · 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 waterfallsPeakyas — 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

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