Lakagígar Craters Road (F206)

In 1783, the Laki volcanic fissure erupted for eight months straight, spewing enough poison gas and ash to kill one-fifth of Iceland’s population and trigger famine across Europe. The Lakagígar Craters Road (F206) runs 31 miles through this apocalyptic landscape, threading between 130 volcanic cones that still scar the highland plateau like open wounds. This is not a weekend warrior trail—it’s a technical highland track that demands a high-clearance 4WD and the skills to use it across river fords, loose volcanic scoria, and terrain that can chew up differentials without warning.

The route climbs 1,400 feet through Vatnajökull National Park, crossing multiple unbridged rivers where water levels can change hourly depending on glacial melt upstream. The Skaftá River crossings alone have claimed vehicles from drivers who misjudged the current or followed GPS instead of reading the water. Once you clear the river approaches, the track turns to chunky lava rock and volcanic sand that grabs at tires and tests suspension components. Eldgjá canyon marks the northern terminus, where you can walk into the largest volcanic fissure on Earth—a 40-kilometer gash that makes the trail’s difficulties seem insignificant by comparison.

June through September offers the only reliable weather window, though even summer brings sudden storms that can turn the highland into a wind-scoured nightmare. Cell service doesn’t exist out here, and the nearest fuel is back in Kirkjubæjarklaustur, so carry jerry cans and spare parts. Dispersed camping is allowed within the national park boundaries, but expect temperatures to drop below freezing even in July. This isn’t a trail you run for Instagram photos—it’s a commitment to one of the most geologically significant landscapes on the planet, where every mile reminds you that Iceland is still under construction.

What you get for the punishment is solitude among scenery that literally changed world history. The Laki eruption caused crop failures from Japan to Alaska, but standing among these craters puts that abstract historical fact into visceral perspective. This is Iceland’s highland at its most raw and unforgiving—a place where volcanic forces that shaped continents are still visible in the rocks under your tires. You’ll earn every mile, and remember every one long after your suspension stops complaining.