early autumn over the alpine lake lago del predil or lago di raibl (cave del predil lake)

early autumn alpine lake lago del predil raibl cave inizio autunno sul alpino landscape nature mountain travel beautiful tourism view outdoor water scenic mountains alps scenery background forest panorama reflection natural park hiking outdoors vacation adventure tree wilderness peak destination rock calm tranquil backcountry summit environment holiday clear hike camping trees tourist lifestyle recreation trail idyllic panoramic waterfront famous outside landmark