Pico Viejo is a volcano located on the island of Tenerife. It is the second highest peak of Tenerife and the Canary Islands, with a height of 3,135 m above sea level, and a huge crater approximately 720 metres in diameter.The volcano is part of the Teide volcanic complex, which began forming about 200,000 years ago in the center of Tenerife. Its crater is one of the satellite craters around El Teide.
It last erupted in 1798, and it is estimated that it ejected around 12 million m³ of lava over three months
Wikipedia https://en.wikipedia.org/wiki/Pico_Viejo
Address 38300, Spain
Coordinates 28°15'50.125" N -16°39'52.848" E