Itinéraires autour de la barre d'attache de Boust 175.4 173 170.9 169.7 170.3 175.4 167.9 165.9 183.4 194.9 198.2 206 195 190.7 173.5 174.5 166.5 163.9 163.3 164.1 165 170.3 181 176.6 189.7 189.7 178.5 180.9 174 167.3 163 161 161.3 163.9 179.4 184.3 189.3 197.4 199.8 194.6 213.5 213.1 209.7 210.8 213.7 216.9 214.2 214.2 214 209.2 208.8 204.7 201 201.1 200.6 203.3 209.3 209.9 209.9 206.2 209.3 203 198.3 194.5 191.5 189.7 198.6 204.6 205.3 207.3 211.5 204 190.3 183.6 183.8 177.9 173.7 172.4 174.3 177.5 189.5 199.2 204.4 190.9 189.4 189.1 178.7 172.4 172.5 172.6 173.4 178 181.9 193.6 201.4 219.3 228.5 235.9 241.6 246 243.5 234.7 231.7 228.8 226.7 225.8 221.9 219.8 219.9 216.5 216 217.2 217.5 218.4 216.3 204.3 189.2 179.8 176.4 175.4