the alpine lake tannensee or tannen lake in the uri alps mountain massif, melchtal - canton of obwald, switzerland

switzerland destination picturesque background tannensee beautiful landscape mountains panoramic wonderful undefined mountain melchtal obwalden european outdoors panorama peaceful trekking schweiz amazing ecology idyllic natural outdoor scenery alpine tannen massif canton obwald kanton europe flower forest meadow nature scenic season spring summer travel valley grass green scene swiss water lake alps blue high peak rock tree view wild uri eco old sky