GR20: how to take on Corsica’s legendary crossing

GR20: how to take on Corsica’s legendary crossing

by | Aug 6, 2026 | GR20

It is five in the morning in Calenzana. The village is still asleep, the cool air clings to your skin, and ahead of me the path runs straight at the mountain. The GR20 always starts like this. An alarm that goes off too early, a pack that sits a little too heavy on...
The 16 GR20 stages: the north-south route in detail

The 16 GR20 stages: the north-south route in detail

by | Aug 4, 2026 | GR20

Sixteen stages, north to south, from Calenzana to Conca. That is the skeleton of the GR20. On paper, a simple line drawn across Corsica. On the ground, a run of different worlds answering one another: granite and fixed chains in the north, forests and shepherds’ huts...
When to go on the GR20: the best window and the risks

When to go on the GR20: the best window and the risks

by | Aug 1, 2026 | GR20

It is the first question I get asked, by a long way: when to go on the GR20 ? I always answer it the same way. The window is short, somewhere between mid-June and mid-September, and the real difficulty is not picking a month. It is dealing with a mountain that changes...
GR20 budget: what the crossing of Corsica costs

GR20 budget: what the crossing of Corsica costs

by | Jul 26, 2026 | GR20

How much does it cost to walk the GR20 ? It is a question of budget, but also of organisation, because money does not work the same way on this path as it does elsewhere. Here is a concrete example, worked out for ten days of walking starting from Geneva, in summer...
GR20: what physical preparation, and in how many days?

GR20: what physical preparation, and in how many days?

by | Jul 23, 2026 | GR20

Every year around 20,000 hikers set off on the GR20, and only half of them finish. The other ten thousand give up, almost always for three reasons: not enough preparation, an injury, or not enough time on the route. Which means that before we even talk about kit or...