Hiker contemplating the Lac du Lauvitel (1530 m) on the GR 54 long-distance hiking trail, Tour de l'Oisans et des Ecrins, Veneon valley, Ecrins National Park, Isere, France

natural reserve natural area landscape mountain rock (stone) freshwater lake summer hiking man alone stand up calm solitude outdoor back shot overview reflection day rucksack cap purity isere 38 summit transparent national park alpine wetland area ecrins national park blue sky july water surface copy space nature reserves nature reserve nature natural areas ecosystem ecosystems landscapes mountains rocks (stone) freshwater lakes fresh water lake fresh water lakes summertime trippings hike hikings tripping men single lonely only solo one lone standing up raising itself raise itself raise up raised itself raised on its rear paws calms mind peace peaceful serene tranquil tranquillity quiet untroubled quietude peacable solitudes solitary (concept) solitaries (concept) lonely (concept) lonesome (concept) outdoors outsides outside view from behind back view back views back sight back shots back sights overviews global sight global sights full length reflections mirror image reflected reflecting days daytime rucksacks bagpack bagpacks caps beret berets baseball cap flat cap pure pures transparencies purities crystal clear lights light clear limpid summits peak (summit) peaks (summit) mountain peak mountain peaks mountainpeak mountain top mountain tops mountaintop mountaintops transparency national parks sensitive natural areas mountain wetland areas alpine wetland areas alpine wetland zone mountain wetland area alpine wetland zones parc national des ecrins blue skies good weather nice weather water surfaces watersurface watersurfaces environment protection environment management biodiversity management environment naturalness area rock fragment mineral matter matter (substance) freshwater wetland area temperate season seasons ambiance leisure person individual enumeration posture behavior emotion shot light effect bag object material headdress accessory dauphine province rhone alpes auvergne rhone alpes france european union europe landform earth's crust colour ecrins (massif) western alps alps (range) world mountain and summit sky meteorological phenomenon meteorology science water (matter)