Montana roja is a volcano about halfway between the surfer town of El Medano and the quieter Los Abrigos. There's a campgrounds where you can sleep under the stars, a secluded beach, and of course the nature preserve with hikes and bike paths.
I stayed not far from here while in Tenerife and actually came for walks and hikes a few times. It's lovely- the volcano is only about 170m- and depending which path you take will only take about 30 mins to reach the top and the views are worth the trek. Beware, it's very windy. read more