panoramic view of colorful rhyolite volcanic mountains landmannalaugar and frostastadavatn highland lake as pure wilderness in

adventure backpacking basalt brennisteinsalda caldera colorful crater dangerous dramatic earth expedition exploring extreme fjallabak frostastadavatn geothermal highland hiking iceland journey lagoon lake landmannalaugar landscape laugahraun laugavegur lava moss mountaineering mountains nature outdoor panorama range rhyolite ridge scenic snow sulphur summer summit torfajoekull trail travel trek trekking volcano wander wanderlust wilderness