view of idyllic emerald alpine lake with matterhorn massif in the background in valle d`aosta, italy

adventure alpine apennine august background beautiful cloud clouds daosta emerald environment europe extreme grass green hiking hill hills holiday idyllic italy lake landscape lazio located massi massif matterhorn micigliano mount mountain mountaineering mountains natural nature panorama panoramic pathway peak prato range rock sassi scenery scenic season sky sport stone summer terminillo tourism travel vacation valle valley view wanderlust wild