Teide National Park is a national park located in Tenerife, Canary Islands, Spain. The national park is centered on Mount Teide, the highest mountain of Spain in addition, the highest volcano in the Atlantic Ocean islands and the third highest volcano in the world from its base in the ocean floor. Pico Viejo, also included within the national park limits, is the second highest volcano in the Canary Islands with its 3,135 m peak.