In short
GR20 2027: booking opens for the refuges on Friday, January 15, 2027, based on previous years. Best season: mid-May to early October (huts staffed from May 16 to October 4 in 2026).
Date estimated from the openings on January 15, 2024 and January 20, 2026, announced by the FFRandonnée.To be confirmed once officially announced.
What are the dates for 2027?
- Today
- Jan. 15, 2027 Booking opens for the refugesTime not announced
- Mid-May to early October Best season
What do you book and at what price?
| What you book | The refuges |
| Price | €20 a night in a hut and €12 for a bivouac in your own tent in 2026, meals extraRough estimate, check the official website. |
What is the route like? from OpenStreetMap
Move your finger or mouse along the curve to read the km and the altitude. Approximate curve, from a terrain model.
GR20, main route
183.6 km+11,322 m gain254 m → 2,579 m
Altitude by distanceMin 254 m · max 2,579 m
30 huts, lodges and campsites within 400 m of the route, shown on the 3D map. Length measured along the OpenStreetMap track, one way; elevation gain and altitudes from a terrain model. Approximate figures, check them against the official guide. Tracks © OpenStreetMap contributors (ODbL).
What are the 16 stages of the GR20, with their elevation gain?
The GR20 is most often walked in 16 stages, from north (Calenzana) to south (Conca). The hardest are in the north: stage 1 climbs ~1,430 m and stage 4 crosses the highest point of the route, ~2,580 m according to our terrain model.
The 16 stages on the profilenorth to south
| No. | Stage | Distance | D+ | D- | High point |
|---|---|---|---|---|---|
| 1 | Calenzana Ortu di u Piobbu | 11.3 km | ~1,430 m | ~170 m | 1,577 m |
| 2 | Ortu di u Piobbu Carozzu | 7.3 km | ~630 m | ~900 m | 2,049 m |
| 3 | Carozzu Ascu Stagnu | 4.9 km | ~760 m | ~590 m | 1,981 m |
| 4 | Ascu Stagnu Tighjettu | 8.4 km | ~1,160 m | ~920 m | 2,579 m |
| 5 | Tighjettu Ciottulu di i Mori | 6.4 km | ~650 m | ~330 m | 2,047 m |
| 6 | Ciottulu di i Mori Castel di Vergio | 8.5 km | ~90 m | ~680 m | 2,014 m |
| 7 | Castel di Vergio Manganu | 16.6 km | ~640 m | ~460 m | 1,880 m |
| 8 | Manganu Petra Piana | 8.4 km | ~810 m | ~540 m | 2,211 m |
| 9 | Petra Piana L'Onda | 9.8 km | ~450 m | ~910 m | 1,857 m |
| 10 | L'Onda Vizzavona | 10.2 km | ~660 m | ~1,120 m | 2,070 m |
| 11 | Vizzavona E Capanelle | 14 km | ~950 m | ~270 m | 1,637 m |
| 12 | E Capanelle Prati | 17.7 km | ~870 m | ~670 m | 1,863 m |
| 13 | Prati Usciolu | 10.9 km | ~630 m | ~700 m | 1,986 m |
| 14 | Usciolu Asinau | 20.7 km | ~870 m | ~1,070 m | 2,021 m |
| 15 | Asinau I Paliri | 15.3 km | ~470 m | ~970 m | 1,554 m |
| 16 | I Paliri Conca | 13.2 km | ~260 m | ~1,050 m | 1,054 m |
The most common split, in 16 stages. Distances measured along the OpenStreetMap track; elevation and altitudes from a terrain model (AWS Terrain tiles), which smooths the ridges: they are often 5 to 15% lower than in guidebooks, check them in the official guide. Race and Trail calculation, October 2026.
GR20 on the 3D map Follow the route in 3D, with the huts, then explore the 62 other trails and races on the map. Open the 3D mapHow do you book, step by step?
- Set your dates and stagesNote the nights with only one possible place to stay.
- Book from January 15, 2027Start with the most popular refuges.
- Fill in the other stagesVillage guesthouses and hotels are the fallback.
- Keep the confirmationsSome refuges ask for a deposit.
Dates from past years
| Edition | Booking opens for the refuges | Bookings close |
|---|---|---|
| 2024 | January 15, 2024 | – |
| 2026 | January 20, 2026 | – |
Don't miss the date
Add the upcoming dates to your calendar: your phone reminds you 1 week before the first one, then the day before each.
The next huts to book
Other great hikes with huts, in order of opening.
Frequently asked questions
GR20 2027: what is the opening date?
Booking opens for the refuges on Friday, January 15, 2027. Date estimated from the openings on January 15, 2024 and January 20, 2026, announced by the FFRandonnée. To be confirmed.
GR20: do you need to book the bivouac?
Yes. At the park huts, a night in your own tent must be booked too, on the Corsica regional nature park website: €12 a night in 2026, against €20 in the hut.
GR20: how many stages and how many days?
16 stages in the most common split, from Calenzana in the north to Conca in the south, for ~180 km. Many hikers do it in 15 days or fewer by joining stages; the hardest ones are in the north.
GR20: how much does it cost?
€20 a night in a hut and €12 for a bivouac in your own tent in 2026, meals extra. Rough estimate, check the official website.
GR20: when should you go?
Best season: mid-May to early October (huts staffed from May 16 to October 4 in 2026).