Mount Guajara is a 2,718 m high mountain on Tenerife, in the Canary Islands.
Mount Guajara along with the entire Island of Tenerife is dormant volcano which has a large crater close to its summit which is accessible by road, the last leg to the summit at the northern end which is its highest point can be reached from a trail head within the crater. There is also an astronomical observatory located along a ridge at the southern end of the crater.
Wikipedia https://en.wikipedia.org/wiki/Mount_Guajara
Address 38300, Spain
Coordinates 28°13'1.176" N -16°36'44.256" E