A volcanic, glacier-covered island in the Antarctic that remains one of the world's most isolated.

Countries & Cities · Published 30 September 2026 Swipe more like this →

In short: Peter I Island is a remote, uninhabited volcanic territory claimed by Norway, located 450 kilometers from continental Antarctica. Surrounded by pack ice and vertical cliffs, it is nearly inaccessible. Despite its harsh climate, the island hosts surprising biodiversity, including numerous seal species and a high concentration of marine mollusks.

First sighted by Fabian Gottlieb von Bellingshausen in 1821, Peter I Island was named after Tsar Peter I of Russia. For over a century, the island remained a mystery, as drift ice prevented explorers from approaching closer than 25 kilometers. It was not until 1929 that the second Norvegia expedition, financed by Norwegian whale-ship owner Lars Christensen, successfully landed on the island. Christensen’s interest was partly strategic; he hoped to establish whaling stations on Norwegian territory to avoid British taxation.

The island is a shield volcano with a summit, Lars Christensen Peak, reaching 1,640 meters. While its volcanic status is uncertain, the lack of glacial modification on its upper reaches suggests a potential eruption within the last few centuries. Today, the island is almost entirely covered by a glacier, with only three narrow landing points available on the west side. These are accessible only during brief periods when pack ice recedes, making it a notoriously difficult destination for scientific researchers and amateur radio DX-peditions.

Though the island is subject to the Antarctic Treaty of 1961, which mandates peaceful use and free access for scientific investigation, Norway maintains a formal claim. The Norwegian Polar Institute oversees all activities, requiring citizens to report planned visits to ensure compliance with strict environmental laws. Despite its isolation, recent studies have revealed a high degree of biodiversity, particularly in the surrounding marine sediment, where researchers have identified 22 species of mollusks in just four box cores. This suggests that the island is a vital, yet under-sampled, ecological hub in the Bellingshausen Sea.

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