Hverfell (Hverfjall) ash crater in north of the country, Myvatyn (Myvatn) Nature Reserve, Iceland

Volcanic ash (tephra) crater Hverfjall (Hverfell), 140m deep, more than 1 km across, at Myvatn, northern Iceland, Iceland, Polar Regions

Hverfell Crater rising out of the Dimmuborgir Lava Field, Myvatn Region, Iceland, Polar Regions

Tent in front of volcanic cone and lava, barren landscape, Vogar, Hverfjall, Myvatn, Iceland, Europe

Riders in front of on partly frozen lake Myvatn, volcanoes, Ludent, Hverfjall, Myvatn, Iceland, Europe