Trailwind
Legendary trek

GR20

Corsica, France
Best timeJun–Sep
Signature routeGR20 traverse
Climate
Data source

Climate

Source

2018–2023 averages, not a forecast. Wet days estimate days with at least 1 mm of rain or snow using a calibrated ERA5 threshold. Contains modified Copernicus Climate Change Service information. Weather data by Open-Meteo.com (AWS Open Data, CC BY 4.0).

ERA5 via Open-Meteo AWS Open Data

30–77°F
Nearest airportAJA
CurrencyEUR
LanguageFrench
TimezoneUTC+01:00
The route
Topographic route map for GR20
StartFinish
Elevation profile7,379 ft
0 mi846 ft low102.4 mi
111miles
8,553ft high point
29,039ft of climbing
15days
Historical monthly weather

Sweet spotPeak Jul–Aug. Go in Jun for similar weather.

Sunny share of daylightJul · 72%
WarmestJul · 77°F
WettestMay
Best windowJun–Sep
J
F
M
A
M
J
J
A
S
O
N
D
Bar height is the typical daytime high; color shows sunny share of daylight. The shaded months are the ideal window to go.
Weather data & source

2018–2023 averages, not a forecast. Wet days estimate days with at least 1 mm of rain or snow using a calibrated ERA5 threshold. Contains modified Copernicus Climate Change Service information. Weather data by Open-Meteo.com (AWS Open Data, CC BY 4.0). Sunny share of daylight is calibrated from daytime cloud cover. ERA5 via Open-Meteo AWS Open Data

Europe's toughest waymarked trail, a rugged traverse of Corsica.

Best time to visit

Aim for Jun–Sep, the 4 months that line up best.

The route

The classic way in is the GR20 traverse. Nearest airport is AJA.

Route details →

Pairs well with

Cinque Terre coastal path
139 mi away
Villa Ephrussi de Rothschild
140 mi away
Tropaeum Alpium
141 mi away
Nice Cathedral
142 mi away

Frequently asked questions

When is the best time to visit GR20?

The best time to visit GR20 is June–September, in Corsica, France.

Where is GR20?

GR20 is in Corsica, France. The nearest major airport is AJA.

What is GR20 known for?

Europe's toughest waymarked trail, a rugged traverse of Corsica.

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