bat at the sperberloch at the jagerhaus a cave in the danube valley near beuron

autumn bat beuron cave caving colourful countryside danube donauwelle environment excursion fall field flora flux foliage friedingen gerhaus german gold grey hike hovel jacurren landscape meadow meander mount national natural nature october orange park pathway place recreation rock scenic season sigmaringen sperberloch tourism travel tree twig upper vale way yellow