jokulsa a fjollum river canyon in iceland

attraction beautiful breathtaking canyon cascade clean cliff cloud cloudy destination dettifoss dramatic fall fjollum flow flowing glacial glacier highlands hill iceland icelandic jokulsa jokulsargljufur jokulssa landmark landscape majestic monument mountain national natural nature nordic outdoor panorama park river rock scenery scenic spectacular stone stream valley vatnajokull vatnajökull water waterfall waterfalls wild