United StatesAlexander ArchipelagoIsland
Chichagof Island
5,388 km² rising to 1,192 m out of the Pacific Ocean.
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
5,388km²
Area
894km
Coastline
measured on a simplified outline
1,192m
Highest point
1,342
People
14°C
Warmest sea
August
4km
To the mainland
When to go to Chichagof Island
Good all year round.
The sea is warmest in August (14 °C) and coolest in March (6 °C). The water never reaches 21 °C: bring a wetsuit.
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 the United States of America
Chichagof Island is an island in United States. It belongs to Alexander Archipelago. It covers 5,388 km², with 894 km of coastline. Its highest point rises to 1,192 m. About 1,342 people live on it. The nearest mainland is 4 km away.
Getting there
- Gustavus Airport (GST)nearest airport with scheduled flights · 61 km in a straight lineCar hire at JNU airport (Juneau)Discover Cars · Affiliate link↗
- FerriesAlaska Marine Highway - Sitka-Juneau, Alaska Marine Highway - Petersburg-Sitka, Alaska Marine Highway - Pelican - Hoonah
- 4 km from the mainlanddistance to the nearest continental coast
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 Chichagof Island.
- 44named peaksPegmatite Mountain, Tarn Mountain, Mount Raatikainen and 41 more
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
Chichagof Island in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Chichagof Island, each with its own numbers.
9lakesLakeyas
Largest lake
3.6km²
Lake Elfendahl
according to Lakeyas
Warmest lake
18.1°C
Lake Suloia
surface water, warmest month · according to Lakeyas
9 lakes
on Lakeyas, the lake atlas
- Lake Elfendahl3.6km²
- Kook Lake2.4km²
- Lake Suloia1.8km²
- Rust Lake0.77km²
- Basket Lake0.65km²
- Black Lake0.37km²
- Lake Cunningham0.26km²
- Otter Lake0.26km²
1 more on LakeyasLakeyas is coming soonOpen Lakeyas ↗
The shape of the land.
On average the island stands 316 m above the sea. 36 % of it is below 200 m.
- 12 %0–50 m
- 24 %50–200 m
- 42 %200–500 m
- 22 %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.
100 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) | 0 | 0 | 1 | 6 | 11 | 14 | 16 | 16 | 12 | 8 | 2 | 0 |
| Night low (°C) | -4 | -4 | -3 | 1 | 5 | 8 | 11 | 11 | 8 | 4 | -1 | -3 |
| Sea (°C) | 6 | 6 | 6 | 6 | 8 | 10 | 13 | 14 | 12 | 10 | 8 | 7 |
| Rain (mm) | 233 | 153 | 144 | 130 | 127 | 122 | 159 | 206 | 262 | 277 | 236 | 243 |
| Wet days | 22 | 18 | 19 | 19 | 18 | 19 | 21 | 21 | 23 | 23 | 22 | 23 |
| Sun h/day | 0.5 | 2.1 | 3.8 | 5.6 | 6.7 | 6.5 | 5.2 | 4.4 | 3.1 | 1.7 | 0.7 | 0.2 |
| Wind (km/h) | 18 | 16 | 17 | 14 | 12 | 11 | 10 | 11 | 14 | 16 | 18 | 18 |
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 | −0.5 | −0.4 | −0.3 | +0.5 | +0.2 | +0.7 | +0.2 | +0.5 | +0.2 | +0.1 | +0.3 |
| 2021 | +0.9 | ±0.0 | +0.2 | ±0.0 | +0.1 | ±0.0 | +0.2 | +0.6 | +0.7 | −0.2 | −0.1 | −0.6 |
| 2022 | −0.9 | −0.4 | −0.2 | −0.1 | +0.3 | +0.5 | −0.5 | +0.1 | +1.0 | +1.1 | ±0.0 | −0.8 |
| 2023 | −0.3 | −0.1 | −0.5 | −0.4 | +0.2 | −0.4 | −0.2 | +0.6 | +0.7 | +0.5 | +0.3 | +0.8 |
| 2024 | +0.5 | +0.4 | +0.6 | +0.8 | +0.5 | −0.2 | −0.3 | ±0.0 | ±0.0 | +0.1 | +0.1 | −0.1 |
| 2025 | +0.7 | +0.3 | +0.4 | +0.8 | +0.3 | −0.3 | +0.1 | +1.1 | +1.1 | +1.0 | +0.7 | +0.1 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Admiralty IslandUnited States4,362 km²1,477 m89 km away
Baranof IslandUnited States4,065 km²1,643 m114 km away
Kupreanof IslandUnited States2,813 km²1,117 m182 km away
Wrangell IslandUnited States542 km²961 m279 km away
Prince of Wales IslandUnited States6,675 km²1,058 m304 km away
Revillagigedo IslandUnited States2,913 km²1,321 m369 km awayAbout these numbers
| Names, area, population | Wikidata (Q1072094) · 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 | Lakeyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; 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
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