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Mývatn: The Diamond of the North.

Hverfjall

Hverfjall is one of the world’s most impressive explosion craters, rising like a dark, natural stadium over the Lake Mývatn landscape. Formed about 2,500 years ago during a massive tephra eruption, the crater spans a full kilometer in diameter. A hike to the rim offers an eerie, lunar-like experience with 360-degree views of the surrounding lava fields, the Dimmuborgir rock formations, and the shimmering lake. It’s a stark reminder of Iceland’s raw volcanic power and a favorite for photographers looking for that ‘otherworldly’ shot.

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Hverfjall’s stark black ash walls contrast dramatically with the green vegetation of Lake Mývatn in summer or snow in winter. The sheer size and symmetry of the crater, combined with expansive views of the volcanic landscapes, create a truly otherworldly experience.

Hverfjall is easily accessible by car from Route 848, with clear signage and a designated parking area at the base. The gravel path to the crater rim is short but steep, taking most visitors around 20 minutes to climb. Trails are safe for both adults and children, though sturdy footwear is recommended for the loose ash and rocks.

Parking at Hverfjall currently costs 1,086 ISK (approx 8 EUR/USD) per vehicle as of 2025, which includes access to restrooms and supports site maintenance. There is no entry fee for hiking up to or around the crater.

As one of the most popular attractions in northern Iceland, Hverfjall can get busy during the summer, especially midday when tour buses arrive. Early morning or late afternoon visits offer a quieter, more peaceful experience, with plenty of space to explore the crater’s rim and enjoy the dramatic vistas.