Climbing Mount Teide (12,000 feet high) involves travel by auto, cable car and hiking by foot. All manner of vehicle seems to enjoy the National Park (bicycles, motor cycles, dune buggy's). The final ascent to the top most summit requires a special permit, purchased months in advance.
The lava flow and volcanic rubble create fascinating abstract photos through the well maintained Spanish trail system.
The green pine tree forests are rare in Tenerife, until you climb up into the mountain area away from the beach resorts.
TIP: Use the SLIDESHOW button in the top right hand side to see the biggest version of the photos.