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Tour du Mont Blanc - Itinéraire principal vs Via Alpina Red R129

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 Alpina Red R129
Distance 173 km 21 km
Elevation gain 8,863 m 1,251 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 from July to August
map Route & GPX map Route & GPX

Tour du Mont Blanc - Itinéraire principal vs Via Alpina Red R129: which should you hike?

At 173 km, Tour du Mont Blanc - Itinéraire principal is the longer route — roughly 152 km more than Via Alpina Red R129 (21 km). If you want the bigger challenge or a longer trip, that's the one; for a shorter or first multi-day hike, Via Alpina Red R129 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.