Hverfjall

Hverfjall (Icelandic pronunciation: ​[ˈkʰvɛːrˌfjatl̥]; also known as Hverfell [ˈkʰvɛːrˌfɛtl̥]) is a tephra cone or tuff ring volcano in northern Iceland, to the east of Mývatn. It erupted in 2500 BP in the southern part of the Krafla fissure swarm. The crater is approximately 1 km in diameter. The rim of the crater is only accessible by two paths, from the northwest and south. It is strictly forbidden to use other routes in ascent or descent.

Hverfjall

Hverfjall (Icelandic pronunciation: ​[ˈkʰvɛːrˌfjatl̥]; also known as Hverfell [ˈkʰvɛːrˌfɛtl̥]) is a tephra cone or tuff ring volcano in northern Iceland, to the east of Mývatn. It erupted in 2500 BP in the southern part of the Krafla fissure swarm. The crater is approximately 1 km in diameter. The rim of the crater is only accessible by two paths, from the northwest and south. It is strictly forbidden to use other routes in ascent or descent.