GR 20 Principale vs Tour du Mont Blanc - Itinéraire principal
A side-by-side look at distance, elevation, difficulty and the best time to hike each — so you can pick the right route.
| GR 20 Principale | Tour du Mont Blanc - Itinéraire principal | |
|---|---|---|
| Distance | 173 km | 173 km |
| Elevation gain | 9,520 m | 8,863 m |
| Typical duration | — | — |
| Difficulty | — | — |
| Route type | Point-to-point | Loop |
| Network | National | Regional |
| Country | France | France |
| Best time to hike | Best months: June, August | Best from August to August |
| Route & GPX | Route & GPX |
GR 20 Principale vs Tour du Mont Blanc - Itinéraire principal: which should you hike?
At 173 km, Tour du Mont Blanc - Itinéraire principal is the longer route — roughly 0 km more than GR 20 Principale (173 km). If you want the bigger challenge or a longer trip, that's the one; for a shorter or first multi-day hike, GR 20 Principale 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.