October Revolution Island (Russian: Остров Октябрьской Революции, Ostrov Oktyabrskoy Revolyutsii) is the largest island of the Severnaya Zemlya group in the Russian Arctic. It is named after the October Revolution which led to Russia becoming a Socialist country. The area of this island has been estimated at 14,170 km2 (5,470 sq mi) making it the 59th largest island in the world. It rises to a height of 965 m (3,166 ft) on Mount Karpinsky. Half the island is covered with glaciers reaching down into the sea. In the sections free from ice, the vegetation is desert or tundra.