boucle des sources de Cestas 53.4 52.4 51.4 51.3 52.5 53.9 55.2 55.4 56.3 56.9 56 53.6 52.7 51.3 53.1 53.4 52.4 51.4 52.3 52.8 54 54.7 55.4 55.2 55.6 55.9 56.4 55.5 52.7 52.4 52.8 54.9 55 54.3 54.5 54.3 54.1 54.8 52 51.4 53.3 56.6 55.6 55.5 55.4 54.3 52.6 53.1 53.2 54.7 58.4 58.4 58 60.7 57.8 55.9 54.8 54.9 54.3 55 56.5 56.1 55.3 54.1 53.8 53.1 52.3 52.3 53.6 51.7 51.7 51.2 51 50.9 51.4 51.9 50.7 48.3 47.3 47.2 47.7 48.2 48.9 49.4 48.5 50.7 51.1 52.2 53.1 53.6 53.7 53.8 53.8 53.4 53.4 50.9 51 51 51.6 51.9 51.5 52.9 53.4 53.5 53.4