The map covers the northern section of the massif, extending south to the main peak of Mont Blanc, and shows the northern half of the Tour du Mont Blanc (TMB) from Chamonix, across Switzerland, to Val Ferret in Italy. The map is overprinted with a UTM grid for GPS. Maps 3630OT and 3531ET combined cover the whole of the TMB, including the sections in Italy and Switzerland, apart from approximately 3 km just north of Courmayeur. In French.
| Geography | France |
|---|---|
| Map Type | Physical Maps |
| Publisher | Institut Geographique National |
| Usage Type | Trail Maps |