Esjufjöll

Esjufjöll is a volcanic mountain range in southeastern Iceland with multiple peaks, the highest reaching around 1760 meters (5,774 feet). The range is partially covered by sections of the Vatnajökull ice cap and displays clear evidence of volcanic formations throughout its structure.

Esjufjöll experienced its last recorded volcanic activity in 1927, and seismic movements were detected beneath the ice in 2002 and 2010. These earthquakes show that the volcanic system remains active beneath its frozen cover.

Researchers from various scientific disciplines regularly visit Esjufjöll to study its geological formations and collect samples for volcanic analysis.

Visiting this range requires specialized mountain equipment and professional guidance due to the challenging terrain and glacier crossings. Visitors should have experience with high-altitude climbing or hire an experienced local guide.

The Snaehetta caldera, one of Iceland's largest volcanic craters at around 40 square kilometers, lies completely hidden beneath layers of ice at this location. This enormous geological depression remains entirely buried and invisible to visitors on the surface.