Pour celleux que ça intéresse, le parcours complet de l'Existrans : https://www.google.fr/maps/dir/Belleville,+75020+Paris/R%C3%A9publique,+Paris/48.8652816,2.3556532/Rue+du+Renard,+75004+Paris/H%C3%B4tel+de+Ville,+Paris/Avenue+Victoria,+Paris/Fontaine+du+Ch%C3%A2telet,+Place+du+Ch%C3%A2telet,+Paris/@48.8646263,2.3446014,14z/am=t/data=!3m1!4b1!4m39!4m38!1m5!1m1!1s0x47e66de65e58a673:0x63fe2b7504e97782!2m2!1d2.3769779!2d48.872009!1m5!1m1!1s0x47e66e08e98453a5:0xb998114ae02e1e03!2m2!1d2.363811!2d48.867503!1m0!1m5!1m1!1s0x47e66e1c4e8120a7:0xe3e6b22f682196d8!2m2!1d2.3522264!2d48.8589469!1m5!1m1!1s0x47e66e1dc0611361:0x3df254a015ae71ea!2m2!1d2.351517!2d48.857485!1m5!1m1!1s0x47e66e1e40d2dc4f:0xd556996f14c7cb0f!2m2!1d2.3482841!2d48.857583!1m5!1m1!1s0x47e66e1e359b9ecb:0x8efc5e830787e2ac!2m2!1d2.347244!2d48.8574799!3e2?hl=fr