See a sunset and the stars from Tenerife's Mount Teide, on a 4.5-hour evening tour from southern Tenerife! The dormant volcano – Spain's tallest – lies at the heart of the UNESCO-listed Teide National Park, and boasts some of the island's best vantage points. Watch the sun set over the rocky island terrain, and gaze at the starry night sky to learn about the constellations from a local guide.