GR20: Europe's most difficult hiking route

Get ready for the GR20, Corsica's most demanding trek, with our essential tips for a successful adventure.

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The GR20, or Grande Randonnée 20, is often described as the most difficult trek in Europe. Crossing Corsica from north to south, this demanding trail offers spectacular scenery and unique challenges that attract hikers from all over the world. This article will provide you with practical advice and essential information to help you prepare and make a success of your GR20 adventure.

Personne descendant un passage délicat avec une chaîne sur le GR20 grande randonnée 20 en Corse

Preparing for your GR20 adventure

Before setting off on the GR20, it's crucial to be well prepared, both physically and logistically.

Here are 10 tips from our guide Christophe, a mountain leader:

Here's a summary of 10 tips for preparing for the GR20, based on the text you provided:

  1. Plan your training: Start a specialised programme for the GR20 at least 3 months before the start, combining endurance (running, cycling, swimming) and hikes with a significant difference in altitude.
  2. Progressive training: Gradually increase the intensity and duration of your training sessions. Set yourself achievable goals and train regularly.
  3. Train with a rucksack: Get used to walking with a rucksack weighing around 8 kg to simulate trekking conditions, even if you plan to use a luggage-carrying service.
  4. Lighten your rucksack: Limit the weight of your rucksack by carrying only the essentials. Invest in light, efficient equipment.
  5. Prepare yourself mentally: Be ready for the physical and psychological challenges of a steep, rocky trail with significant changes in altitude.
  6. Anticipate spartan conditions: Be prepared to sleep in bivouacs and to experience less comfortable nights in the open air, sometimes with noise or bad weather.
  7. Group training: Training is more enjoyable and motivating in the company of others. Try to find partners to train with.
  8. Incorporate breaks and wellness: Include relaxing activities such as yoga in your routine to manage stress and stay motivated.
  9. Manage your expectations: Don't forget to enjoy the trip without putting too much pressure on yourself to perform. The important thing is to do your best.
  10. Be flexible and adapt your training: If necessary, adjust your training programme according to your progress and physical condition.

Best time to hike the GR20

Corsica's Mediterranean climate makes the months of June to September ideal for undertaking this hike. However, July and August can be very hot, so it's best to plan your trip in June or September to take advantage of milder temperatures and less crowded paths. If you decide to set off in July or August, take advantage of the cooler temperatures early in the morning to walk to the next refuge before midday.

Essential equipment for the GR20

The right equipment is essential for success on the GR20. A good rucksack, sturdy, comfortable hiking boots, a sleeping bag suited to the mountains and light but hard-wearing technical clothing are all essential. Don't forget to pack a comprehensive first-aid kit, detailed topographical maps and a GPS or compass.

Detailed exploration of the stages of the GR20

The GR20 is divided into two main sections: the north, which is more technical and steep, and the south, which is slightly easier and just as picturesque.

The challenges of northern Corsica

The northern section of the GR20 is renowned for its rugged terrain and steep gradients. Hikers will face steep ascents and descents, with sections requiring the use of chains and ladders. Orienteering skills are crucial, as fog can sometimes reduce visibility.

The wonders of southern Corsica

The south of the GR20, although slightly less demanding, offers equally breathtaking scenery. The paths pass through pine forests and green plateaux, offering spectacular views of the Mediterranean Sea. It's a great option for those who want to enjoy the natural beauty of Corsica without the extreme challenges of the north.

Safety and survival tips on the GR20

Safety is paramount when undertaking a hike as demanding as the GR20.

Navigation and safety on difficult paths

It is vital to remain vigilant and follow the trail markings to avoid getting lost. In the event of bad weather, be prepared to change your plans or take a break until conditions improve.

What to do in an emergency on the GR20

In the event of an accident or illness, it's vital to know how to alert the emergency services. Always carry a charged mobile phone and know where the emergency contact points are along the trail.

To find out more about the GR20 and for detailed guides and expert advice, visit this specialist site . For more information on preparing your trip, visit discoverent.
➡️ Contact us.

Embarking on the GR20 adventure is a rewarding experience that requires careful preparation. With the right advice and the right equipment, you can be sure of a memorable adventure while admiring some of the most beautiful mountain scenery in Europe.

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