lac roumassot at 1845 metres, along the lacs d'ayous loop hiking trail, pic du midi d'ossau , french pyrenees

midi ossau france french pyrenees pyrenee national park commune laruns aquitaine protected area lac lake ayous loop hiking trail popular panoramic panorama view symbol peak mountain valley ancient volcano vestige john jean bear legend nature landscape trekking silhouette massif rocky range iconic distinctive shape roumassot reflection water 1845 metres lacs d'ayous d'ossau 884 rising side