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Hiking on the GR10, in the Néouvielle National Nature Reserve

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François Laurens

Mythical trail

The GR10, crossing the Pyrenees

A not-to-be-missed hiking route in the Hautes-Pyrénées, the GR10 crosses the Pyrenees chain from the Atlantic to the Mediterranean on the entire French side. With 920 km and over 55,000 m of ascent between Hendaye and Banyuls-sur-Mer, it is considered to be one of the most demanding signposted routes in Europe. The route takes in some of the most beautiful scenery in the Hautes-Pyrénées, combining the joy of challenging yourself with the simplicity of adventure, and forging strong links with other hikers and fellow travellers along the way.

mythical

A legendary trail

Many walkers who dream of being able to link the 2 seas via the mountains are familiar with it: the GR10 criss-crosses the Pyrenees chain from the Atlantic to the Mediterranean. This long-distance footpath takes hikers from lakes to peaks, from shepherds’ huts to refuges, from villages to unspoilt areas. Every bend in the path is a pleasant surprise. It can be done in its entirety or in stages. To do the whole thing, you’ll need between 1? and 2 months, depending on your pace. This trail was created not so long ago by two hiking enthusiasts: Francine and Jean Adisson.

Because of the sometimes steep gradients, the GR10 is designed for trained hikers. Regular stopover gîtes and refuges offer the possibility of setting off with a relatively light rucksack.

Special features

Specific features of the GR10

in the Hautes-Pyrénées

The route through the Hautes-Pyrénées takes in 10 to 12 stages fromArrens-Marsous in the Val d’Azun to the granges d’Astau in the Haute-Garonne. Along the way, you’ll pass through some of the region’s most famous sites: Cauterets Pont d’Espagne, Cirque de Gavarnie (a UNESCO World Heritage site), the Néouvielle nature reserve… Stages that will delight lovers of wide open spaces, unspoilt landscapes and breathtaking panoramas.

The entire route is well signposted and easy to follow, leaving you time to concentrate on the scenery, the wind, the clouds, the flowers, the animals and the conversations with others. There are plenty of good, strategically placed refuges and gîtes.

920 km
distance
55 000 m
Vertical rise
10-12
stages
June to October
Recommended period
stages

The stages of the GR10

from Valley to Valley

The Val d’Azun

Gateway to the Hautes-Pyrénées

A verdant valley, a paradise for herds in the summer pastures, dotted with small villages with stone walls and slate roofs. Below, the village of Arrens-Marsous and its first architectural jewel: the golden chapel of Pouey Laün.

The path leads over the Col des Bordères to the pleasant banks of Lac d’Estaing, the Col d’Ilhéou and the lake of the same name. The perfect bucolic setting for a short siesta before resuming the walk to the spa village of Cauterets.

Cauterets-Pont d’Espagne

Land of waterfalls

From the village of Cauterets, the GR10 joins the Pays Toy. 2 routes to choose from:

  • Route 1, the most direct: Col de Riou, Luz-Ardiden, village of Grust and Luz-Saint-Sauveur
  • Route 2: towards the Pont d’Espagne and the Gaube valley, as far as Hourquette d’Ossoue where the path joins the valley of the same name, then Gavarnie and the Saugué plateau before descending to Luz-Saint-Sauveur.

From Luz-Saint-Sauveur – Pays Toy
The route passes through the villages of Viella, Viey and Sers, before reaching Barèges.

The Grand Tourmalet

From Barèges, the path joins the Vallée d’Aure.
It crosses the Aygues-Cluses Valley, the Col de Madamète and Lac de l’Oule.

The Aure Valley

Once you arrive in the Aure Valley, the GR10 heads back towards the Louron Valley.

It passes through Azet and Couret de Latuhé.

The Louron Valley

This section is the last stage in the Hautes-Pyrénées before switching to the neighbouring Haute-Garonne department. The route takes you via Germ and the Pas de Couret or Couret d’Esquierry.

Must-see stops on the map

The GR10 guidebook

An essential tool for all hikers tempted by adventure, the topo-guide published by the FFRandonnée, ” GR10 – Pyrénées Centrales et le Tour du Val d’Azun ” (Ref 1091) offers a precise description of the route with extracts from IGN maps, accommodation and refreshment facilities.

FAQ

Frequently asked questions

Preparing for the GR10
  • What is it about the gradient that makes the GR10 so demanding?

    For accommodation and supplies, the GR10 frequently descends to the valley bottoms, where there are food shops and stopover gîtes. These detours quickly add to the cumulative altitude difference, with many days exceeding 1,000 metres of positive or negative altitude difference.

  • How to prepare for the weather when hiking the GR10

    Apart from the height difference, the weather is another difficulty to be anticipated when doing the GR10. Although most hikers choose the summer period to enjoy long days of good weather, they sometimes have to deal with unfavourable conditions. In summer, thunderstorms and intense heat waves are not uncommon. The passes, meanwhile, can be windswept or chilly. At the start of the season, snow can also complicate certain passages.

  • What are the main recommendations before setting off on the GR10?

    We strongly recommend that you :

    • prepare physically (hikes of more than 20km, carrying a large pack, climbing)
    • prepare psychologically
    • study the route and think of alternatives in case of injury or bad weather (these 4 topoguides from the Fédération Française de Randonnée Pédestre can be very useful)
    • take good IGN maps with you
    • choose sturdy, high-top walkingshoes
    • organise your rucksack properly. All the hikers who have completed this crossing will tell you that you really need to keep the weight of your rucksack to a minimum!
advice

Our tips for your walk