studlagil canyon (the basalt canyon) view of the ravine with female tourist with a backpack standing in the foreground

backpack basalt brown canyon cliff column east female flow formation geology girl glacial gorge hexagon hiker hiking iceland icelandic island jokla jokuldalur landmark landscape lava magma mountain nature outdoor people person precipice ravine river rock scenic spring stand stream studlagil tourism tourist travel valley vertical view volcanic wall water woman columns standing foreground