water in the lake of myvatn.

amazing area brown clay crater energy eruption eruptions fumarole geo geology geothermal geysir great hill hverir iceland icelandic lake landscape lava mineral mountain mud mudpot myvatn namafjall namaskard nature northern námafjall námaskarð outdoors pool sightseeing soil solfataras spring steam steaming sulfur sulfuric summer thermal travel unique vent view volcanic water