Klyuchevskaya Sopka, the highest active volcano in Eurasia. Klyuchevskaya Sopka is a stratovolcano, the highest mountain on the Kamchatka Peninsula of Russia and the highest active volcano in Eurasia. Its steep and symmetrical towers are located about 100 kilometers from the Bering Sea. The volcano is part of the Kamchatka Natural Volcanoes UNESCO World Heritage Site.