hike to the vogelbergsteig near dürnstein

austria dafrac14 rnstein excursion lower wachau castle climbing rock durnstein europe forest formation green heritage site hiking hill klippe landmark landscape mountain natural nature outdoor overcast rainy ruin sky travel tree vacation weekend getaway worth seeing hike vogelbergsteig near dürnstein felsenburg built kuenringers middle 12th century azzo gobatsburg progenitor acquired area around from monastery his hadmar castle town are connected defensive wall extended wall inner courtyard once lay above chapel containing mighty