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Tour du Mont Blanc - Itinéraire principal vs Via Cluny Etape 23

A side-by-side look at distance, elevation, difficulty and the best time to hike each — so you can pick the right route.

Tour du Mont Blanc - Itinéraire principal Via Cluny Etape 23
Distance 173 km 28 km
Elevation gain 8,863 m 251 m
Typical duration — —
Difficulty — —
Route type Loop Point-to-point
Network Regional International
Country France France
Best time to hike Best from August to August Best months: February, April, October
map Route & GPX map Route & GPX

Tour du Mont Blanc - Itinéraire principal vs Via Cluny Etape 23: which should you hike?

At 173 km, Tour du Mont Blanc - Itinéraire principal is the longer route — roughly 145 km more than Via Cluny Etape 23 (28 km). If you want the bigger challenge or a longer trip, that's the one; for a shorter or first multi-day hike, Via Cluny Etape 23 is the gentler pick. Check the elevation and best-season rows above, then open each route for the full guide and a free GPX download.