green tent pitched next to the river with green mountain in the background, alftavatn campsite, laugavegur, iceland

adventure alftavatn autumn backpacking bank beautiful blue brown camp camping clouds cloudscape coast covered discovery extreme fall fluvial geology geomorfology grass green ground hike hikers hiking iceland lake laugavegur laugavegurinn layers moss mountain night nordic opening orange process range reflection river sand season shore sky tent tourism trail trekking yellow