Source de la Somme par GR655 88.2 16 88.3 87.7 86.5 84.9 84.3 85.3 85.4 85.6 85.7 85.9 86 85.9 85.8 85.9 85.9 86.2 91.1 93.4 96 96.1 96.3 96.4 96.5 96.9 97 97.3 97.5 97.8 98 98 98 97.9 97.4 97.3 97.3 1 97.2 96.8 96.1 91.6 90.9 89.5 89 88.1 87.1 86.5 85.6 85.2 85.1 84.7 84.1 83.8 83.8 83.8 84 83.8 83.7 84.7 85.1 85.1 2 85.1 85 84.9 85.1 84.4 84.3 84 84 84 85 87 86.7 85.5 85.2 81.8 81.6 82 82.1 82.4 83.1 83.8 3 84.5 84.6 84.7 84.9 85.1 85.2 85.5 85.8 86.1 86.6 86.9 87.2 87.3 87.4 87.1 86.9 87 87.1 87.2 87.3 87.4 87.6 87.8 88.1 88.3 88.4 88.5 88.6 88.7 88.9 89.1 89.5 89.7 90.1 90.3 90.4 91.1 91.1 90.8 90.9 91.1 91.5 91.9 92.2 92.4 92.7 93.1 93.8 94.5 94.7 95.1 95.5 95.7 96.1 96.6 98.1 99.2 100.4 4 100.8 102.7 104.6 105.9 107 108.2 108.7 109.2 109.5 109.7 110.2 110.8 114.4 115.7 116.5 117 117.8 117.7 117.6 117.2 115.9 115.2 114.1 113.5 112.9 112.7 112.5 111.9 111.9 112.1 112.6 113.4 114 114.4 114.7 114.6 114.4 114.3 114.1 113.7 113.5 113.2 113.1 113 112.1 110.9 110.2 109.4 108.7 105.8 104.7 104.5 104.3 104 103.5 103.2 102.7 102.1 101.5 101.8 102 101.7 101.4 101.1 100.4 100 99.7 99.3 99 98.8 98.5 98.3 98.1 97.5 96.8 95.8 95.4 96.5 97.4 98.5 99.5 100 100.6 101.8 101.9 102.1 102.3 102.5 102.9 103.3 104.1 104.8 105.7 106.8 108.2 111.1 113.9 115.5 117.6 119.2 120.9 122.5 123.7 125.4 126 127.3 128.1 128.5 129.5 129.9 129.5 129.4 129.3 129.3 129.3 129.3 129.6 130 130 5 130 130.1 130.6 130.6 130.3 130.1 130 130.1 130.4 130.9 131 131.6 132 132.2 132.4 133.5 131.3 129.5 128.6 128.2 127.8 127.6 127.4 126.7 126.4 126 125 125 125 125.1 125.3 125.8 126 126.3 126.7 126.8 126.8 126.8 126.9 126.7 126.3 126 126 126.2 126.4 126.6 126.7 126.9 6 127 127.4 127.8 128.2 128.5 15 130.9 130.9 131 131 131.3 131.5 131 130.3 129.2 127.4 125.8 123.4 121.3 119 117.4 115.9 114.7 113.9 113 112.2 111 109.5 108.1 106.8 104.6 102.7 100.7 98.2 98 97.9 97.7 97.5 97.2 97 96.7 96.1 95.6 95.3 95.1 95.2 95.3 95.4 95.3 95.1 95 94.6 93.8 93.4 93.6 93.5 92.7 91.9 90.6 90 89.7 89.6 89.3 88.7 88.4 87.7 87.3 87 87.2 87.2 87.3 87.4 87.3 87 86.1 86.6 86.6 85.8 85.7 85.4 85.2 85 84.5 84.3 84.1 83.9 83.7 83.7 83.6 83.5 83.4 83.3 83 82.8 82.8 82.7 82.7 82.7 17 82.7 81.7 81.1 81.1 80.7 80.4 80.1 79.6 79.3 79.1 78.8 78.4 78.3 78.1 77.7 77.1 77.1 77.2 77.3 77.4 77.6 77.8 77.8 77.7 77.5 77.2 76.9 76.6 76.3 76.4 76.8 76.8 77.2 77.3 77.7 77.7 77.7 77.6 77.5 77.4 77.3 77.3 77.3 77.4 77.5 77.6 77.8 77.7 77.6 77.6 77.6 18