Mappa topografica Nome Census Area

The foundation rocks on the Alaska Peninsula are divided by the Bruin Bay Fault into fossiliferous sedimentary rocks of Jurassic and Cretaceous age to the east and metamorphic and igneous rocks to the west. The granite Aleutian Range batholith has intruded through these rocks. The majority of the higher…

Altitudine media: 245 m

Altitudine media: 1’130 m

According to the Köppen climate classification system, Kobuk Valley National Park has a Subarctic climate (Dfc) with cool summers and year around precipitation. Dfc climates are defined by their coldest month averaging below 0 °C (32 °F) , 1–3 months averaging above 10 °C (50 °F), all months with…

Altitudine media: 331 m

Unalaska is the second-largest island in the Fox Islands group and the Aleutian Islands. The coastline of Unalaska is markedly different in appearance than other major Aleutian Islands, with numerous inlets and peninsulas. The irregular coastline is broken by three long deep bays, Beaver Inlet, Unalaska Bay,…

Altitudine media: 74 m

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The park's landscape has been shaped by plate tectonics, with the Pacific Plate subducting beneath the North American Plate. The process has lowered the elevation of the Kenai Mountains, gradually pulling glacial features down into the sea, which is at the same time rising. The floors of the fjords can be from…

Altitudine media: 518 m

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The park is not accessible by roads. Access is solely by air taxi or by boat along the Cook Inlet coast and Lake Clark. Since much of the movement in the area is by air, the mountains present a significant barrier to air traffic. Lake Clark Pass, at 1,050 feet (320 m) provides a way through the mountains by…

Altitudine media: 671 m

Altitudine media: 34 m

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Altitudine media: 596 m

Willow has a subarctic climate with long and cold winters and mild summers. Whites Crossing is a weather station near Willow, situated at an elevation of 270 ft (82 m).

Altitudine media: 208 m

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Altitudine media: 1’104 m

Glacier Bay is covered with 1,375 square miles (3,560 km2) of glaciers which accounts for 27% of the Park area with most glaciers originating in mountains with elevation range of 8,000–15,000 feet (2,400–4,600 m). There are over 50 named glaciers (both tidewater and terrestrial glaciers); 10 tide water…

Altitudine media: 402 m

Altitudine media: 316 m

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Tussock tundra dominates the terrain surrounding the lake. Other plant communities in the area include wet sedge tundra, as well drier heath tundra found at higher elevations. Low growing shrubs are abundant, including birches and willows. Trees are not present. Since surveys began, there has been a 19 percent…

Altitudine media: 731 m

Altitudine media: 3 m

Hayes River is a weather station near Skwentna to the northeast, at an elevation of 1,000 feet (300 m). Hayes River also has a subarctic climate (Köppen Dfc) but has a lower seasonal temperature variation and receives substantially more snow.

Altitudine media: 203 m

Altitudine media: 208 m

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Altitudine media: 1’361 m

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Altitudine media: 952 m