lone hiker at kerlingarfjoll, icelandic highlands, near a geothermal river, on stairs

kerlingarfjoll activity adventure arctic beautiful crater desolate destination dirt dramatic europa fumaroles gas geothermal glacier height highlands hiker hiking hill human iceland icelandic inspiring landmark landscape man mars moss mountain nature outdoors path person remote reserve rhyolite road scandinavia scenic steam travel trip vale vapour volcanic volcano wanderlust wilderness lone river stairs surrounding area