breathtaking rocky mountain landscape from sentier des roches, gr 531 hiking trail in the vosges, alsace-lorraine, france,

mountain landscape rocky hiking trail gr531 vosges alsace lorraine france europe sentier des roches hohneck nature outdoors scenic view wilderness forest greenery exploration adventure travel summer 531 sky horizon cliffs natural beauty trekking tourism environment panoramic tranquil escape serene peaceful rural countryside outdoor destination summit altitude elevation terrain rugged remote solitude breathtaking alsacelorraine showcasing lush forests views ridge tree walking cliff rock hill alps plateau geology valley