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Edgeøya map

For more, detailed information: the Guidebook Spitsbergen-Svalbard

Guidebook Spitsbergen-Svalbard

General: Edgeøya (‘Edge-Island’) is the third-largest island within the Svalbard archipelago, with 5150 km2. It is named after Thomas Edge, an English whaler of the 17th century. It is protected as part of of the Southeast Svalbard Nature Reserve.

Geology: As Barentsøya. Rather uniform Triassic sediments (lower Mesozoic, 205-250 million years ago), sand-, silt- and claystone. These were deposited in shallow shelf seas and near the coast (delta sediments etc.), partly in an anoxic (lack of oxygen) environment, thus rich in organic matter and often rather dark in appereance. The sediments are largely undeformed, the layers have more or less kept their original, horizontal position. Some layers are very rich in fossils (ammonites, shells etc.). Some of the deltaic sandstones contain thin coal seams, but due to their low quantitiy and quality, they are not of economic interest.

Within the triassic sediments, there is one layer of black paper shale which often forms steep cliffs, visible for example on both sides of the Freemansund. Where small rivers are cutting through it, there are often little canyons.

Weathered sediments on Edgeøya

Siltstone cracked up by frost on Edgeøya.

There are doleritic (‘basaltic’) intrusions in some places from the upper Jurassic to Cretaceous. Because of their relative hardness, these intrusions often form capes, islands and protruding cliffs in otherwise rather gentle slopes or, respectively, uniform coastlines.

Recommended book for further, well-digestable (really!) info about geology and landscape of Svalbard.

Landscape: As Barentsøya. Wide plateau-shaped mountains and open valleys. Less glaciation than in eastern Spitsbergen, which is higher and receives more precipitation.

Click here for panorama images of Edgeøya scenery.

Whalebone in Rosenbergdalen, Edgeøya

An old whalebone becoming part of the rich tundra again.

Flora and Fauna: As Barentsøya, high arctic. The tundra is often very rich, although with less species than near the west coast of Spitsbergen. The rich tundra supports a strong population of reindeer.

Cotton grass on Edgeøya

Cotton grass. Edgeøya.

Steep cliffs (Triassic paper shales) are home to colonies of Kittiwakes, which attract Arctic foxes. Important migration and denning area for polar bears.

There are several resting sites for walrus at and near Edgeøya, which seem to be increasing in numbers in recent years. In July 2006, I have seen the biggest herd of walrus I have ever seen so far in the Edgeøya area.

History: Discovered in the early 17th century by whalers, and possibly known to the Pomors even earlier than that. The Pomors established a number of hunting stations and used them well into the 19th century. In the late 19th and early 20th century, southeastern Edgeøya was an important area for Norwegian trappers to hunt polar bears.

Trappers' hut on Edgeøya

Norwegian trapper hut, southeastern Edgeøya. Built by the Norwegian polar bear hunter Henry Rudi in 1946.

The Swedish-Russian Arc-de-Meridian expedition (1899-1904) had a station at Kapp Lee (or, more precisely, Dolerittneset). At the same place, Dutch biologists established a research station in the late 1960s, where they also wintered to do research mainly on polar bears. The station was abandoned after a few years.

Kapp Lee, Edgeøya

Kapp Lee/Dolerittneset with old houses and an unusually large number of whalrus.

Edgeøya (gallery)

Click on thumbnail to open an enlarged version of the specific photo.


last modification: 2014-10-28 · copyright: Rolf Stange