Map booklet with 1:25,000 IGN mapping for hiking the Tour du Mont Blanc, one of the world and #039;s classic treks. The 170km (105 mile) TMB route typically takes 11 days and can be walked in anti-clockwise and clockwise directions. Trek planning resources, accommodation guide and 5, 7 and 9-day options. Companion Cicerone guidebook available separately.