Trekking in Vatnajökull

Vatnajökull is the largest glacier in Europe by volume, an ice cap the size of a small country, and crossing it on foot is one of the continent's last great polar-style expeditions.

The classic traverse links Skaftafell in the south with the geothermal Kverkfjöll mountains in the north, days of roped glacier travel across a white infinity of snow and ice, hauling or carrying supplies, camping on the ice cap under the midnight sun.

It is committing, remote, mountaineering-grade travel, exposed to Arctic storms and threaded with crevasses, and it demands experience, fitness and a guide.

But to walk across the frozen heart of Iceland — a landscape of pure ice, sun-cups and glacier science, with steaming geothermal ground waiting at the far side — is an extraordinary, rare achievement, a genuine expedition rather than a hike.

A multi-day, mountaineering-grade glacier expedition across an ice cap: roped travel over snow and crevassed ice, hauling or carrying food, fuel and camping gear, and camping on the glacier itself.

This is expert terrain — you need glacier skills (roped travel, crevasse rescue), real fitness for long days under a heavy load, and the resilience to sit out storms in a tent on the ice.

Weather is the great hazard: whiteouts, high wind and cold can halt progress for days, and navigation across featureless snow is serious. Crevasses, cold and remoteness are ever-present. Guides are essential unless you're a very experienced glacier mountaineer.

The scale and purity of the ice, the polar-style camping and the geothermal finish at Kverkfjöll make it a profound wilderness journey for those equipped to take it on.

Go in the short summer window, roughly June to August, and go guided unless you're a highly experienced glacier mountaineer — this is a serious expedition, not a hike.

Book with a specialist Icelandic mountain-guiding company that runs ice-cap crossings; they provide the roping, navigation and safety systems that keep it viable. You must be very fit and comfortable with glacier travel, crevasse rescue and multi-day camping in harsh conditions.

Expect to carry or haul a heavy load and to be weather-bound at times — build in spare days and food. Full mountaineering and cold-weather kit is required; the guide will specify it. Train seriously beforehand and be honest about your experience.

For the right person, it's a once-in-a-lifetime crossing of Europe's greatest ice cap; for the unprepared, it's genuinely dangerous.