hverfjall also known as hverfell is a tephra cone or tuff ring volcano in northern iceland, to the east of mývatn.

also area ash attraction basalt bush caves cone crater desert destruction dimmuborgir dramatic east field filed flow formation geologic grey highland hole hverfell hverfjall iceland known krafla landmark landscape lava mountain myvatn north northern outdoor preserved pseudocraters ring rock rocky scandinavia scenery scenic skutustadir stone stony summer tephra tourism trekking tuff view volcanic volcanism volcano wilderness