mountain lake palpuogna at albula pass in september grisons, switzerland

albula alpine alps autumn background beautiful beauty bergün blue calm colorful destination environment europe european fall forest graubünden green grisons heaven hiking hill lake landscape larch mirror mountain mountains national natural nature outdoor palpuogna panorama panoramic park pass peak reflection reflections road rock rocks scenery scenic season seasonal september serenity sightseeing sky summer sunny swiss switzerland tourism transparent travel tree turquoise vacation valley view views water wood woods