United StatesIsland

Atka Island

1,043 km² rising to 1,533 m out of the Bering Sea.

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

In numbers

1,043km²

Area

643km

Coastline

1,533m

Highest point

Korovin Volcano

People

9°C

Warmest sea

August

769km

To the mainland

When to go to Atka Island

Good all year round.

The sea is warmest in August (9 °C) and coolest in February (4 °C). The water never reaches 21 °C: bring a wetsuit.

4°2°1°

Jan20

4°2°1°

Feb19

4°3°1°

Mar19

4°4°2°

Apr18

5°5°4°

May15

6°7°6°

Jun14

8°9°8°

Jul19

9°11°9°

Aug19

9°10°8°

Sep18

7°7°6°

Oct20

6°5°3°

Nov21

5°3°2°

Dec22

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

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 Aleutians West Census Area, Alaska, United States

Atka Island is an island in United States. It covers 1,043 km², with 643 km of coastline. Its highest point, Korovin Volcano, rises to 1,533 m. About 95 people live on it. The nearest mainland is 769 km away.

Getting there

Adak Airport (ADK)nearest airport with scheduled flights · 153 km in a straight lineCar hire at ANC airport (Anchorage)Discover Cars · Affiliate link
769 km from the mainlanddistance to the nearest continental coast

Plan the trip

Ferries, stays and things to do

Car hire at ANC airport (Anchorage)Discover CarsSee

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 Atka Island.

15named peaksMount Kliuchef, Sidixsam-kiiguucha, Agignax and 12 more
3volcanoesKorovin Volcano, Sarichef Volcano, Conical Volcano
5castles and fortsOld White Alice Military Site Atka and 4 more
9ruins and archaeological sitesWWII Bomb Crater and 8 more
1campsites
1hotels, guesthouses and apartments

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

Atka Island in our other atlases

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

17beaches and covesCoastya
2lakesLakeyas

Largest lake
0.53km²
Haniigamax
according to Lakeyas
Beach with the warmest sea
9.3°C
Atxam Acha
sea in the warmest month · according to Coastya

17 beaches

on Coastya, the beach atlas

Atxam Acha9.3°C
Chalaalux9.3°C
Kmisxam-tugimaga9.3°C
Chuyaglix9.3°C
Qyasxum Hachan Tugimaga9.2°C
Simsum-tugimaga9.2°C
Unangalixtax9.2°C
Uyuqiidasxis9.3°C

9 more on CoastyaOpen Coastya ↗

2 lakes

on Lakeyas, the lake atlas

Haniigamax0.53km²
Sangus0.45km²

Lakeyas is coming soonOpen Lakeyas ↗

The shape of the land.

On average the island stands 230 m above the sea. 55 % of it is below 200 m.

16 %0–50 m
39 %50–200 m
36 %200–500 m
8 %500–1,000 m
1 %1,000–2,000 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.

Atka Island1,043 km²

Tenerife2,038 km²

Madeira Island742 km²

50 km

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

Month by month

The weather on the island.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Afternoon high (°C)	2	2	3	4	5	7	9	11	10	7	5	3
Night low (°C)	1	1	1	2	4	6	8	9	8	6	3	2
Sea (°C)	4	4	4	4	5	6	8	9	9	7	6	5
Rain (mm)	76	83	75	64	56	57	93	104	93	90	89	89
Wet days	20	19	19	18	15	14	19	19	18	20	21	22
Sun h/day	1.2	2.0	3.4	4.4	4.0	3.7	3.4	3.2	3.6	2.9	1.6	1.1
Wind (km/h)	31	34	31	30	25	21	19	21	27	31	34	34

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	+0.4	+0.6	+0.5	+0.5	+0.6	+0.5	+1.1	+0.5	+0.6	+0.6	+0.2	+0.1
2021	+0.1	+0.4	+0.1	+0.3	+0.1	+0.4	+0.8	+1.6	+0.7	−0.4	−0.2	+0.1
2022	+0.2	+0.3	+0.3	+0.1	+0.6	+0.1	−0.3	−0.9	−0.2	+0.4	+0.5	+0.8
2023	+0.5	+0.6	+0.1	+0.2	−0.1	±0.0	+0.1	−0.1	−0.3	+0.2	+0.5	+0.5
2024	+0.3	+0.2	−0.2	−0.1	−0.4	−0.8	−0.9	−0.9	−1.0	−0.6	−0.3	+0.2
2025	+0.4	+0.4	+0.3	+0.3	+0.5	−0.1	±0.0	−0.2	−0.5	+0.3	+0.4	+0.3

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Scenic view from the water of a village on the island of Atka in the Aleutian islands — George Putney, U.S. Fish and Wildlife Service · Public domain

Atka Island reindeer and World War II aircraft — Hillebrand, Steve - U.S. Fish and Wildlife Service · Public domain

Atka island reindeer — Steve Hillebrand, U.S. Fish and Wildlife Service · Public domain

Nearby

More islands nearby.

Adak Island

United States713 km²1,196 m155 km away

About these numbers

Names, area, population	Wikidata (Q756016) · 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, Lakeyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST; HydroLAKES (Messager et al. 2016) · CC BY 4.0, LakeTEMP (Korver et al. 2024) · 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.

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lakes

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Every summit in 3D: summit weather, the 0 °C line, huts and trails.Visit

waterfalls Cascadyas

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