Mount Teide is a volcano on Tenerife in the Canary Islands. Its 3,718-metre (12,198 ft) summit is the highest point in Spain and the highest point above sea level in the islands of the Atlantic. At 7,500 m (24,600 ft) from its base on the ocean floor, it is the third highest volcano in the world. Its elevation makes Tenerife the tenth highest island in the world.
It remains active: its most recent eruption occurred in 1909.
The volcano and its surroundings comprise Teide National Park, which has an area of 18,900 hectares (73 sq mi) and was named a World Heritage Site by UNESCO on June 29, 2007. It is one of the most visited National Parks in the world, with a total of 2.8 million visitors.