nature wonder: red lake in ceahlau mountains

air altitude annual atmosphere average bicaz carpathians ceahlau central circuit clean climate conditions cross dam duration eastern ensure evergreen favorable forests fresh gorge group hasmas hiking hours ice lacu lacul lake landscape layer located mark moderate mountains natural overview paradise passing peak picturesque pines pleasant region relaxation resort rest resting rosu round routes seeking shine single small south stationred stubs subalpine suhard sun surrounded tectonic temperature thick through top transylvania travel trees trip unforgettable unmarked valley volcano weekend winds world