Hverfjall (Hverfell)
About Hverfjall (Hverfell)
Hverfjall (also spelled Hverfell) is one of the most recognizable landmarks in the Mývatn area — a massive, nearly perfect circle of a tephra crater rising 140 meters above the surrounding landscape. The crater is about 1 km in diameter and was formed by a volcanic explosion approximately 2,500 years ago. A trail leads to the rim, where visitors can walk around the entire circumference with sweeping views of Lake Mývatn, Dimmuborgir, and the Krafla volcanic system.
Key Facts
Nearly perfectly circular tephra/tuff ring crater, 1 km in diameter
About 2,500 years old, formed in a massive explosive eruption
140 meters high with a 1 km circumference rim trail
Panoramic views of Mývatn, Krafla, and surrounding volcanic terrain
🕐 Best Time
May–October for best trail conditions
🚗 Access
Off Route 848 near Dimmuborgir, east side of Mývatn. Two trailheads — south side is steeper but shorter.
⏱ Duration
1–1.5 hours
📍 GPS Location
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