Hiking · GR 20
Le GR 20
Crossing Corsica the mountain way, widely held to be Europe's toughest waymarked trail: notches, slabs and high lakes, hut to hut, from Monte Cinto to the Alta Rocca.
Corse
Where to sleep on Le GR 20
Halta lists 88 places to sleep within 5 km of the route: 20 campsites, 31 mountain huts, 37 bivouac spots. For each one, the app shows the real detour from your stage — and it is that distance, not the straight line, that decides how a day ends.
- Campsites
- Mountain huts
- Bivouac spots
Alongside the campsites, mountain huts and bivouac spots drawn from open data, there are the hosts of the Halta community: travellers who welcome others into their homes, usually for free. You write to them before you come; you do not book a slot.
The 16 stages of Le GR 20
An indicative split, drawn on real roads: distances and elevation come from route calculation, not from an estimate. In the app every stage can be adjusted — stretched, cut short, or pushed back a day.
| # | Stage | Distance | Elevation |
|---|---|---|---|
| 1 | Calenzana → Ortu di u Piobbu | 12 km | 1 416 m |
| 2 | Ortu di u Piobbu → Carozzu | 8 km | 779 m |
| 3 | Carozzu → Ascu Stagnu | 5 km | 742 m |
| 4 | Ascu Stagnu → Tighjettu | 9 km | 1 213 m |
| 5 | Tighjettu → Ciottulu di i Mori | 12 km | 262 m |
| 6 | Ciottulu di i Mori → Castel di Vergio | 18 km | 1 143 m |
| 7 | Castel di Vergio → Manganu | 19 km | 826 m |
| 8 | Manganu → Petra Piana | 13 km | 781 m |
| 9 | Petra Piana → L'Onda | 10 km | 837 m |
| 10 | L'Onda → Vizzavona | 15 km | 449 m |
| 11 | Vizzavona → E Capanelle | 16 km | 819 m |
| 12 | E Capanelle → Prati | 18 km | 1 365 m |
| 13 | Prati → Usciolu | 13 km | 998 m |
| 14 | Usciolu → Asinau | 17 km | 786 m |
| 15 | Asinau → Paliri | 14 km | 802 m |
| 16 | Paliri → Conca | 12 km | 409 m |
Frequently asked questions about Le GR 20
How many days does Le GR 20 take?
Le GR 20 takes about 14 days, split into 16 stages over 211 km — an average of 15 km a day. The split is indicative: stages stretch or shorten depending on your form and the weather.
Where can you sleep on Le GR 20?
Halta lists 88 places to sleep within 5 km of Le GR 20: 20 campsites, 31 mountain huts, 37 bivouac spots. On top of those are the hosts of the Halta community, travellers who welcome others into their homes, usually for free.
How hard is Le GR 20?
Le GR 20 is rated hard, with 13 627 m of cumulative elevation gain over 211 km. Per stage, that works out at roughly 852 m of climbing a day.
Where does Le GR 20 go?
Le GR 20 runs from Calenzana to Conca, by way of Ciottulu di i Mori, L'Onda, Usciolu, across Corse. It is travelled on foot and totals 211 km split into 16 stages.
Figures established on 17 September 2026, from Halta’s own data. How they are calculated.
More routes on foot
Étapes indicatives d'après le GR 20 (balisage FFRandonnée). Tracé reconstitué par routage (ODbL, openrouteservice.org). Halta 2026-08. Places to sleep: OpenStreetMap, refuges.info and DATAtourisme (ODbL). Photo : Wikimedia Commons (CC).