thingvellir national park landscape panorama of the oxara river and almannagja canyon in continental rift valley, western iceland

almannagja american area areas atlantic attraction beautiful branches canyon circle clouds cloudy continental cultural destination dramatic drifting environment europe european filling geological geology golden heritage hike hiking iceland icelandic island lake landscape large largest located location meandering mid national nature north northern ocean outdoor outdoors axaraiexcl oxara panorama park parliament plates quiet rift river site south southern sun sunlight tectonic thingvallavatn thingvellir tourism tourist unesco valley volcanic walk water west western wide world