Another must activity of Tenerife is the observation of stars. Tenerife is one of the best places in the world to do it, in fact, the Teide and the summits of Tenerife have the Starlight certification, a certification that accredits it as a privileged place for stargazing.
You can simply go to take night photos or go with a guide that will give some notion of astronomy and help you learn more about the sky and its constellations.
You can find more useful info about excursions in the following link: