iconic colorful rainbow volcanic mount brennisteinsalda sulphur wave and creek in landmannalaugar mountain region in iceland at

adventure backpacking blue brennisteinsalda climbing colorful creek dangerous earth epic expedition exploring extreme gorge highland hiking iceland icelandic iconic journey landmannalaugar landscape laugavegur lava mount mountain mountaineering mountains national nature outdoor park rainbow region river scenic sky stream sulphur summer summit sundown sunset trail travel trek trekking trip vibe vivid volcanic volcano walking wander wave wilderness