Image: Ólafur Ólafsson
Colorful rocks on the way down
Even in a country full of volcanoes, Thrihnukagigur (which translates as “three peaks crater”) is unique. It’s also a valuable resource for scientists, offering the kind of geological study that can’t be carried out anywhere else on Earth. But of course, scientists aren’t the only people fascinated by volcanoes, and Thrihnukagigur is an interesting place to explore for anyone – except perhaps the claustrophobic.