Tenerife has a number of gorges that are a tourist attraction. Barranco del Masca is one of the top ones. Hiking Canary.
Guimar windows. There's an old levada that leads to them. but unused, dilapidated, overgrown.The most adrenaline experiences on Tenerife.
Neither the Picos de Europa nor the Pyrenees. The highest mountain in Spain is El Teide to the roof of Spain and Tenerife