option retour par le vallon de Combres216.754852222.732834228.628723239.270935244.018066240.898148243.434692237.341705231.262512217.029419196.897202193.826706203.001312209.930252242.208481262.608459245.058472253.807541265.613953253.949860276.352539301.501221312.246521297.199799326.831177365.800262402.444824417.630859451.952179496.548462489.998444478.037079538.268738573.777283598.812073605.779663626.251831643.985168640.723511653.705017663.466858666.044983670.379028673.349548671.891174672.621887673.788086676.483337677.488220677.536072688.272583684.697083696.327942687.851563666.739380637.204895635.352966611.612549607.332336578.450562556.091675510.092255481.546783446.548218425.743073397.596375367.695313337.021606303.912842296.002533