Map key Location of routes Introduction The Chamonix Mont Blanc region Bases for a trail running holiday Travelling to the Alps Travelling around the Chamonix valley and region Weather and forecasts Maps Safety and mountain rescue Insurance Mountain running in the Alps What and #039;s different about running in the Alps? Trail kit Adapting to the Alps Mountain skills Navigation Using this guide France Chamonix start Route 1 Mer de Glace Route 2 River track to Argenti and amp;##xe8;re Route 3 Merlet Route 4 La Fl and amp;##xe9;g and amp;##xe8;re Route 5 Refuge Mo and amp;euml;de Anterne Route 6 La Jonction Route 7 Chamonix Vertical KM Route 8 Marathon du Mont Blanc Route 9km du Mont Blanc Vallorcine valley start Route 10 Lac d and #039;Emosson Route 11 Col de la Terrasse Route 12 Albert Premier Route 13 Aiguilles Rouges Route 14 Mont Buet Les Houches/Servoz start Route 15 Le Br and amp;##xe9;vent Route 16 Le Prarion Route 17 Col de Tricot Route 18 Lac Vert Route 19 Charousse Outside Chamonix valley Route 20 Nid d and #039;Aigle Route 21 Refuge de Doran Route 22 Mont Truc Route 23 Mont Joly Route 24 Refuge de Tr and amp;##xe9;-le-T and amp;##xea;te Route 25 T and amp;##xea;te Nord des Fours Switzerland Route 26 Mont de l and #039;Arpille Route 27 Croix de Fer Route 28 Fen and amp;##xea;tre d and #039;Arpette Route 29 Cabane d and #039;Orny Route 30 Mont Fourchon Route 31 Cols Fen and amp;##xea;tre and Chevaux Italy Route 32 Mont de la Saxe Route 33 T and amp;##xea;te Entre Deux Sauts Route 34 Italian Val Ferret Route 35 Col d and #039;Arp Route 36 Punta della Croce International race recces Route 37 Ultra Trail du Mont Blanc (UTMB) Route 38 Orsi and amp;##xe8;res, Champex, Chamonix (OCC) Route 39 Courmayeur, Champex, Chamonix (CCC) Route 40 Traces des Ducs de Savoie (TDS) Appendix A Route summary table Appendix B Useful contacts.