wild graian alps from colle altare mountain pass above lago della rosa dam in italy

destinations peraciaval beautiful formation landscape vacations mountain cibrario valletta usseglio piemonte piedmont outdoors trekking rifugio scenics scenery tourism graian altare summer torino europe alpine nature scenic beauty clouds valley travel hiking colle della italy graie rossa punte punta ridge range stone wild alps pass lago rosa alpi peak hill rock blue hike trek dam day sky