boucle des guichards 400.1 407.5 416.3 422.5 420.5 421.5 407.7 388.3 382.6 384.8 394.5 384.3 394.6 386 384.3 386.7 384.9 380.8 381.3 379.4 377.4 381.1 365.3 352.7 349.7 347.3 349 350.2 374.1 372.8 380.1 384.5 396.6 413 423.3 427.2 428.9 432.8 435.8 441.1 442.1 447.2 446.5 426.1 407.4 404.8 386.4 399.8 406.7 425 432.1 440.9 436.7 433.6 426.8 415.4 400.1