On the edge of the Onde, once you have crossed the footbridge, the stone footpath weaves its way between the birch trees. This tree is easy to recognize amongst all the others due to it thin white bark. Due to the tar that it contains, birch bark stays intact even after the wood has rotted inside. It was used as parchment and as tannin in boreal regions. In this area, the birch's young twigs were mostly used to make brooms.

Fauna

Southerly burnet

These small moths that come out during the day, are part of thirty species of burnet in France. Their long wings are black or sometimes bluish and have red spots. Such bright colours are a warning of toxicity to their predators. Burnets are capable of extracting chemical components similar to cyanide from plants. They then secrete this poison through their mouth and joints when faced with danger

Flora

Chamois ragwort

In June it impossible not to see these large yellow sun-like flowers on the edge of the path. Their greyish, fleshy leaves look like they have grown through a spider's web. At the end of July they are unrecognisable: the leaves turn green and no longer have the grey fluff. Once the flowers have wilted, they give way to a fluffy white seed head that is easily scattered by the wind. Our elders used to compare them to an old man's hair (senex in Latin) which lead to the French name "séneçon".

Flora

Cypress spurge

This is also referred to as "milk herb" in relation to the sticky white liquid that flows when it is cut. This is a toxic, irritating latex. It is identifiable due to its thin soft leaves and its original flowers that change colour and group together in inflorescence. By looking closer, in the middle of a 'cup' made from two bracts, it is possible to distinguish a female flower which is reduced to a ball (ovary) on a long stem, and males flowers with a sole stamen and four crescent-shaped nectar glands.

Fauna

"Popeye" grasshopper

In the pastures, in August, tens of grasshoppers jump and then disappear into the grass with each of our footsteps. Amongst them, the most original is perhaps the gomphocerus sibiricus nicknamed Siberian grasshopper, due to its resistance to the cold. The male is also known as the "Popeye grasshopper" because of its 'muscled' front legs. Its green-brown colour might mean it would go unnoticed were it not for this anatomical detail and it long, consistent "cre-cre-cre-cre" ending with a couple of separate "cre" that it repeats in order to attract a female.

Flora

Green alder

This bushy shrub grows in entangled thickets, which are a refuge to birds and chamois that are in search of coolness and quiet. It is a pioneer and not afraid of settling in poor, steep terrains. Its strong roots mean it can latch on where everything else slides. Its flexibility means avalanches slide over it as it bends under the weight of the snow. The male catkins dangle when they are mature showing the pale yellow of their flowers. The female flowers will bear characteristic fruit like small pinecones that are first green, and then brown that persist all year round.

Fauna

Black redstart

The black redstart has a grey crown, a white patch on its wings and a tan tail and rump. A lively and active common bird, it likes the rocky environments and constantly hunts insects in flight or on the ground. Perched on a rock or a stone wall, it gives out brief cries of warning whilst folding it feet. Its chatty song interrupted by "paper rustling" is characteristic. This partly migratory bird can be seen at high altitude during the summer but heads to the lower valleys for the winter.

Fauna

Chamois

In the summer, it is at the coolest times of the day that you are likely to see a chamois busy grazing. When the sun heats the valley, they prefer to lie in the shade of the green alders, or otherwise stay on the névés. Their hearing and their sense of smell are highly developped and makes it difficult to approach them. You will need binoculars to see them. If the end of their horns are curved, it's a male, a buck. Open horns, it's a female, a doe. If the horns are shorter than the ears, it's an 'éterlou', a young male chamois in its second year. Barely visible horns, it's a kid.

Pastoralism

Pastoral activity in the Selle valley, dale

Between l’Aup Martin pass and Entre les Aygues, the Selle valley is the communal pasture for Vallouise. During the summer, the pasture is grazed by a flock of sheep, a herd of cows, a few horses and the donkeys that accompany the shepherds. The shepherd's role is to not only keep and guide the sheep on the pasture with the help of dogs. She also nurses them, in particular to avoid foot-rot, a bacterial infection of the hooves that could spread to wild animals.

Flora

Monk's Rhubarb

Around the pastoral hut, monk's rhubarb forms an ocean of bright green. This species along with Good King Henry and stinging nettles have a love for ample manure. They therefore create vast fluffy carpets on the animals' resting places and around the pastoral huts where they stifle out most of the other vegetation due to its vigorous germination and the damp shade of its large leaves. On its stem, the flower heads that look like candles are made up of uncountable greenish flowers that, when mature, will become winged, three-sided brown fruit. The leaf petioles of this wild rhubarb, which are fleshy, juicy and tangy, can be used in cooking.

Fauna

The ibex, a survivor

In the face of danger, the ibex does not run away but takes refuge on a rock face where it thinks it will be safe. This strategy has enabled it to escape from land predators for thousands of years. However, it has proved to be inefficient against man since the invention of the crossbow or the rifle. As a result, the ibex was almost wiped out in the 19th century. The species owes it survival to Italy's protection in the creation of a royal reserve, that later became the Gran Paradiso National Park.

Fauna

The alpine ibex

In 1995 several ibex were introduced into the Champsaur. Since then, their population has steadily progressed to the valleys of the massif. A small group of ibex spend the summer season on the cliffs of the Chanteloube valley that overlooks the Jas Lacroix hut, on the left bank. They are more often than not perched on the rock faces and are difficult to see but from the hilltop above the hut, you might be lucky enough to see one on the rocks with the help of a telescope.

Pastoralism

The pastoral hut and the walkers' shelter

The Jas Lacroix pastoral hut is where the shepherd lives during the mountain pasture period. This where she herds the flock to count or nurse the animals. To the right of the hut there is a shelter for walkers on the GR54 route. It is maintained by a volunteer from the valley. Please leave it in the state of cleanliness you would like to find it.

Fauna

White throated dipper

Stocky, short-tailed with a slender beak, it has a white patch from chin to chest and the rest of its plumage is ginger to slate grey. This is the portrait of this fantastic stream-loving bird. Standing on a large, half-immersed stone, it rocks with its tail out. Then suddenly it dives head first into the turbulent water. One of its features is walking upstream in the water in search of food such as small invertebrates that it uncovers by moving pebbles with its beak.

Flora

Astrantia minor

At the top of a thin and fragile, divided stem, four or five small, delicate white stars move in the slightest breeze. The astrantia minor's umbels brighten up the shady areas that it likes under the shrubs on the moors. Its fanned, finely serrated leaves at the end of a long petiole, do their best to emerge from the vegetation.

Fauna

Common frog

After the glacial cross-cliff above the Jas Lacroix mountain hut, not far from the footpath leading to the pass, there is a small lake that is home to the common frog. This is the most common frog in the Alps. It can live up to 2800 m in altitude, a record! It has a chocolate coloured mask around its golden eyes.

Top

Verdonne Point

Above the Jas Lacroix hut, the Chanteloube valley opens up to the right in the form of a cirque. The highest peak in the cirque is the Verdonne point, which rises to 3328m. Sometimes a glittering object can be seen at its summit. This a Grand Réseau Radio des Alpes (GRA) radio relay station, serving the mountain rescue network. It is used to make radio contact with police and emergency services in Briançon.

Flora

Yellow (mountain) saxifrage

At the edge of the clear waters of the brook, a flowerbed of yellow stars catches the eye. When young, the flowers are male and only have 10 stamen and a large shiny disc full of nectar. Later, when the stamen have fallen off, they become female and two small nipples appear on the nectar disc, ready to welcome pollen from a younger neighbour. The small rare and protected apollo butterfly has chosen this plant to protect its eggs and feed its caterpillars.

Flora

Blueberry

This shrub does not venture much higher than the last trees where it constitutes the moors that cover the ground along with other shrubs. Its finely serrated, light green leaves, ever green branches and juicy, sweet, black fruit that turn your tongue purple, make it possible to distinguish it from its cousins. The berries are a true treasure of the mountains and are used for many culinary and medicinal purposes.

Pastoralism

Cattle

The Selle valley is the Vallouise communal pasture where breeders take their animals in the summer. The pasture is divided into sectors where sheep, cattle and horses graze. Each group moves according to the growth of the grass and they rarely mingle, if at all.

Flora

Alpine lady's-mantle

Lush foliage, five to seven elegant leaflets, simple inflorescence, this plant is also known as "satin lion's foot", and is common along the footpath. This nickname comes from the underside of the leaves. Its flowers are not very attractive to insects. It does not need them for pollination. Its seeds develop spontaneously, without being fertilised: this is called apogamy. Is this why it is used as an infusion by the women of the high areas in all fields of gynaecology?

Fauna

Red ants

A mound of twigs abounds with life at the edge of the footpath. An anthill in full action. On average it will house 300 000 red ants. This sociable insect is the epitome of perfection. It has strong jaws for digging, cutting and transporting; antennae for communicating and orientating; three pairs of non-slip feet for getting about; compound eyes to see as with a kaleidoscope; a chitin armour and a reserve of formic acid with which to attack. A simple experiment: put your hand close to the anthill, without touching it. Let the ants react then put your tongue to your hand...formic acid!

Flora

Rampion

Rampion is a pretty, blue flower. On the way up to the Aup Martin pass, it is possible to admire rampion in the prairies and rocky areas at high altitude. A small ball of shiny purple-blue petals and scruffy stamen, it is perched on the top of a short stem surrounded by short narrow leaves.

History

Walls

Above the Saume ravine, the footpath’s tight loops are supported by stone walls, the remains of the mule-driver’s path that the army once kept maintained, just in case, between Vallouise and Champoléon...

Champoléon farmers once took their livestock along the path to the Vallouise sheep fair on 4 October.

Fauna

Marmot

Along the footpath, the marmot makes the rambler jump with its high-pitched whistle. They live in families made up of a couple of dominant adults and subordinates from successive litters. Grooming, games and fights ensure the cohesion of the group and the respect for the hierarchy. All participate in the delimitation of the territory by urinated or defecating at the boundaries or by rubbing their cheeks against the rocks in order to leave their scent.

Flora

Chickweed

It illuminates the scree that the névé take their time to free. Nestled and sticking in the rock, it amazes walkers who admire its delicate foliage and pure white flowers in such a grey environment. How does it manage to produce such exuberant flowers in such a hostile environment though? Beneath the stones, it develops a network of roots that enable it to get vital nutriments from the waterlogged soil when the snow melts. It also produces pliable shoots that always find a place to latch on in the scree.

Geology and geography

Schist sheets

The Col de l'Aup Martin is a surprising desert of dark grey, shiny schist forming fine parallel sheets. The rock was formed under techtonic influence that laid down the minerals making up the rock in parallel layers. Highly friable, the rock makes access to the col slippery or even dangerous, according to the weather conditions, and has given the col its poor reputation: a monstrous col according to Simon. Exactly like the Mordor region described by Tolkien in The Lord of the Rings, says François!

Fauna

Bearded vulture

During a worldwide count organised in October each year, an observation post is set up in Le Pré de la Chaumette. The bearded vulture has already been spotted, but alas not each time! Falsely accused of carrying off lambs and children, this large bird with a wingspan of 2.80 m has been persecuted by man. Shooting, capture, poison, together with the scarcity of its food sources led to the bird’s extinction in the Alps in 1930. A European programme to reintroduce it was launched in 1986. Since then, the bearded vulture has been regaining ground.

Pastoralism

Chaumette Meadow

The refuge is situated in a vast meadow formed by alpine grasslands that benefit from deep soil, on gentle slopes that are covered with snow on an average of eight months a year.

Fauna

Red-billed chough

The red-billed chough is in many ways a surprising bird. It lives near cliffs and plays among the clouds, breaking the silence with a brief, strident, almost metallic cry. Hearing the echo from the cliff walls, its companions reply. With its confident gait and regular step, the red-billed chough patrols the Alpine pastures in small groups, meticulously searching for small worms and meadow grasshoppers. Apart from a few brief seasonal excursions in search of available food, the chough is a sedentary bird.

Top

The Sirac

To the south of the Ecrins mountains, the Sirac is the last major summit at 3441 m. It stands proudly at the end of the Séveraisse valley. Often during the hike, you will lift your head in wonder and greet this noble lord with its crown. You will walk at its foot and see its hanging glaciers above you. It’s magic!

Hut

The Vallonpierre refuge

A small lake, pretty meadows and the benevolent Sirac... This magical setting would lead to the construction of a refuge at an altitude of 2270 m in 1942. However, it was a victim of its own success and in 2000 the decision was made to build a second, bigger one. It can accommodate 37 instead of 22. This new building was the first modern mountain refuge to be built using stones on site rather than imported materials. It copies the simplicity and the crow-stepped gable from the "small refuge" which has been kept as lodgings for a warden's helper.

Fauna

Alpine ibex

The species had almost completely disappeared from the French Alpine regions, and they survived thanks to our Italian neighbours, the kings of Savoy. Until the mid-15th century, they were still to be seen, but they were not wary of mankind and were hunted for their meat. Superstitious medical practice at the period also hastened their decline: their horns were ground into powder and used as a remedy for impotence, while the cross-shaped bone over their hearts was thought to ward off sudden death.
Successfully reintroduced into the Vanoise area in 1960, they were also brought back into the Champoléon valley over 20 years ago.

Geology and geography

Impressive geology

From chabournéite, the native mineral of Valgaudemar, to the crystalline rock from the Sirac's gneiss, from the hollow of Vallonpierre made in sedimentary rock to the show that is given by the shale and tuffs on the Chevrettes pass, this circuit will take you back in time. The folds and the colours appear before you like an impressionist’s work of art.

Fauna

Marmot

A high-pitched whistle sounds in the mountain pastures it is the cry of the marmot on guard, warning its companions of the arrival of imminent danger from the sky. Any inattentive creature failing to take note should beware a golden eagle will carry them away in its talons to feed its young.
Native to the Alpine grassland, colonies of marmots live with their young until their third year. Gnawing and digging are their favourite pastimes, along with rolling down the slopes. And not forgetting an afternoon nap on a nice, warm rock and their long hibernation between October and March.

Fauna

High altitude birds

Autumn is migration season. The mountains, which are too harsh in winter, loses their inhabitants. Some opt for a change in altitude and go lower down the valley or to the coast. This is the case for the alpine accentor, the redstart, the redpoll, or the Eurasian linette. Others head off on a long journey to warmer countries. The Sahara offers a milder winter to the common rock thrush, whinchat and wheatear. The lesser whitethroat will head to the east. In the summer, this fine bunch will meet up again in the mountains. It finds a sanctuary where the diversity of plants and invertebrates is preserved. The alpine pastures seem to be favourable for the reproduction of all of these species that are diminishing and need to be protected.

Hut

Clot Xavier Blanc mountain refuge

What a strange idea to build this mountain refuge below the road leading to Gioberney, at an altitude of "only" 1397 m. In fact, it was already there more than a century ago, long before the road was built. This simple, sturdy building belonged to the Valgodemar Mining Company that operated in the area extracting copper and lead. When the business closed, the Club Alpin Français bought the building and named it after Xavier Blanc, in recognition of one of the founder members of the CAF, senator of the Hautes Alpes.

Vernacular heritage

Walled paths

On certain stretches of the route, you will walk between two stone walls. Such "via clause" were built to stop the domestic animals, on their way up to the pastures, from walking on or eating the grass in the prairies that was intended for them in the winter. The most remarkable "via clause" is on the way out of the hamlet of Le Clot. It has been restored by the Ecrins National Park.
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Architecture

"Toune"

This is an architectural feature of the Champsaur-Valgaudemar area and is the barrel-vaulted porch on the main facade of the house. It sheltered the entrance to the dwelling and stable and was sometimes used to stock items, such as wood, to keep it dry. The "toune" was often painted white to reflect the sunlight. They inhabitants would sit in them to do embroidery or darning, etc.

Fauna

Golden eagle

Between La Chapelle and Le Clot, it is not rare to see the golden eagle flying over the sunlit slopes. In the summer, this majestic bird of prey with its dark plumage (some have lovely white rosettes on the underside of their wings) mingles with the short-toed eagle, which is smaller and lighter-coloured, and the griffon vulture, which is larger, with a short tail and often flies in groups. There is nothing surprising about this as the south facing slopes provides thermal lift that enables them to fly high and far.

Architecture

Traditional dwellings

A few typical, old Valgaudemar houses can be seen in the hamlets of Casse, Le Bourg and Le Rif du Sap. A few thatched roofs, vaulted entrances to dwellings ("tounes"), and stone paving, are some fine examples of architecture that are worth saving. Cheaper and requiring less maintenance, sheet metal gradually replaced the thatch on the rooftops.

History

Toponymy in the Valgaudemar area

Valgaudemar! The sound of this name resonates in our ears. Some claim that it is in reference to the valley of Mary "Gaude Marie" or "Rejoice Mary!" It is more reasonable to think that it is in reference to Gaudemar, the last king of the Burgundians (524) a Germanic tribe that invaded this area in 406...Vallis Gaudemarii can be read in texts as early as 1284. Poetic licence, legends and imagination are often red herrings when it comes to researching the origins of names.

History

An itinerary packed with history

The Casset bridge is the oldest remaining bridge over the Sèveraisse that has not been washed away by floods. On the right bank of this magnificent "Roman" structure, the hamlet of Casset gets its name from the "casse" (large steep scree deposits at the foot of slopes) that surround it. This village, like that of Le Bourg, was partly covered by a landslide. As for Le Rif du Sap, an avalanche swept away the houses from the top of the hamlet in 1944. The hamlet of Le Clot, was flooded in 1928, and was totally abandoned in 1934 when a fire destroyed most of the dwellings.

Panorama

Waterfalls and view points over the valley

Along the itinerary, you will see the Combefroide and Casset waterfalls that are situated on the south facing slopes of the valley. The route also gives a good view to the east and the west of the Sèveraisse valley from the hamlet of Casset. Downstream, from the hamlet of Rif du Sap, a good example of a U-shaped valley is proof of shaping by the quaternary glaciers.

Flora

Hayfields

Hayfields surround the village of La Chapelle. Unfortunately, such natural hayfields, and their flowers and insects, are more and more frequently replaced by temporary hayfields, in other words, certain years they are sowed. These prairies are still watered by the irrigation canals that are well maintained by the users with the help of the National Park. You will see the floodway of the Grande Levée canal not far from the stream as it nears the Sèveraisse. The canals are of great importance for preserving wetland flora, such as alternate-leaved golden saxifrage or yellow star-of-Bethlehem, both of which are protected species.

Know-how

Sundial by Rémy Potey

A real open-air museum piece in the rural landscape, the pictorial art of the sundial aims to foster silence and to be accessible to all. For walkers today and for travellers yesterday. A sundial is a call to reflection and meditation, visible in all its magnificence on religious buildings or carefully hidden, in the little streets of a mountain village. The the Hautes-Alpes department, with its sun-rich climate, has the highest concentration of this example of the people’s art. Today, through the work of the sundial maker Rémy Potey, chamois and golden eagles can be beside the imaginary birds of the mysterious and famous Zarbula, the 19th century Piedmont artist.

History

Villar-Loubière windmill

As you begin the steep climb towards the Col de la Vaurze, don’t miss the unusual Villar windmill, covered in vegetation. Built in 1838, this legacy from past times has been perfectly preserved with its curious horizontal wheel. It was still in use 50 years ago, milling wheat, but also nuts and rapeseed. It was restored in 1979 and is the last working windmill in the Valgaudemar valley.

Geology and geography

Arraches

From the refuge, or during the climb, a peculiar geological formation may catch your eye on the opposite bank, above the old hamlet of Peines. Sedimentary rocks are trapped in the middle of crystalline formations where erosion has created a specific pattern of erosion that looks like a giant tiger has clawed at the rock. This morphology is what gave it the name Arraches.

Pastoralism

Sheep on the mountain pasture

During your walk, you might come across sheep on the mountain pastures. This is an old form of pastoralism, as proven by the dry stone enclosures that you will see. These are known as 'jas'. You will also notice a rock shelter near to the Clot. The sheep that are in these pastures belong to breeders from the valley or from the Bas Champsaur area.

Fauna

Black Grouse

The upper limit of the forest is where you are likely to see the black grouse. The female has faith in her bland-coloured feathering that camouflages her in the vegetation, making her difficult to spot. On the other hand, the male, which is black and white with red "eyebrows”, is not so private, particularly during the reproduction season when their cooing and hissing sounds echo in the mountain in the early morning.

Description

Leaving from L'Argentière-les-Ecrins, the Tour des Ecrins and of L’Oisans begins gently, following the Onde mountain stream as far as Col de La Pousterle, the panoramic route on the following day's stage. To reach the wild Champsaur valley via the Pas de la Cavale, a footpath runs through the Fournel valley. You have to take care crossing no less than three mountain passes carved out in the schist before reaching Lake Vallonpierre and the Valgaudemar valley from Pré de la Chaumette. Along the Séveraisse, the footpath reaches La Chapelle-en-Valgaudemar and then rises in Villar Loubière as far as the Souffles refuge and the impressive Col de la Vaurze. Equally impressive is the descent towards the unspoilt Valjouffrey. The rich green Col de Côte Belle contrasts with the schist landscapes we have seen until now. Valsenestre, in the Béranger valley, comes as a well-earned rest before we set off for the last few twists and turns. We arrive at the vertical Col de la Muzelle, the final point of this grand tour. After Lake Muzelle comes Lake Lauvitel, the biggest lake in L’Oisans, at the end of the mountain pass of the valley. A long, gentle descent along the Vénéon mountain stream leads to Le Bourg d'Oisans. We continue our grand tour along the GR footpath with the help of handrails to reach the small villages perched on the mountainside. The path then goes down to the Sarenne mountain stream before rising again as far as the mountain pass, with a panorama over the Monts de Lans. Then comes a descent towards Clavans and the Ferrand valley, followed by a fine climb as far as Besse at the edge of the vast Emparis plateau. Above, Col de Souchet offers a five-star view over the Meije. After some 1000 metres of descent, La Grave awaits us. We then walk along the River Romanche as far as its source on the mountain pastures of Villar d'Arène. When you arrive at Col d'Arsine, the spectacle is astounding. This mountain setting is an invitation to visit the Arsine glacier lake before beginning the long descent along the Petit Tabuc mountain stream as far as the Guisane valley and Monêtier-les-Bains. Our destination is La Vallouise, via Col de l'Eychauda and the peaceful chalets of Chambran. The final stage is gentle, and we arrive, after Col de La Pousterle, which we left behind us two weeks earlier, in L'Argentière-les-Ecrins. We have come full circle!

Departure : L'Argentière-les-Ecrins train station

Towns crossed : Auris, Besse, Champoléon, Clavans-en-Haut-Oisans, La Chapelle-en-Valgaudemar, La Garde, La Grave, L'Argentière-la-Bessée, Le Bourg-d'Oisans, Le Freney-d'Oisans, Le Monêtier-les-Bains, Les Deux Alpes, Les Vigneaux, Mizoën, Puy-Saint-Vincent, Valjouffrey, Vallouise-Pelvoux, Villar-d'Arêne, Villar-Loubière

Recommandations

The best time to do the tour is between late June and mid-September.

Find out about weather conditions and snow levels on the mountain passes in early summer.

Some passages, near high mountain areas, cross difficult terrain.

It is possible to sleep in the open air all along the GR trail (see National Park regulations) and in campsites, hotels, gîtes or refuges.

On some stages you will need to take your own food with you.

Herd protection dogs

In mountain pastures, protection dogs are there to protect the herds from predators (wolves, etc.).

When I hike I adapt my behavior by going around the herd and pausing for the dog to identify me.

Find out more about the actions to adopt with the article "Protection dogs: a context and actions to adopt".
Tell us about your meeting by answering this survey.

Is in the midst of the park

The national park is an unrestricted natural area but subjected to regulations which must be known by all visitors.

Information desks

Vallouise Park house

, 05290 Vallouise

http://www.ecrins-parcnational.fr/

vallouise@ecrins-parcnational.fr

04 92 23 58 08

Information, documentation, models, exhibitions, screenings, product sales and works of the Park. Guided tours for school, reservation required. The new Park House opened in Vallouise since June 1, and offers visitors an interactive permanent exhibition inviting to explore the area and its heritage. A temporary exhibition space will allow a renewed offer. Finally, the device is completed by an audiovisual room to organize screenings and conferences Free admission. All animations of the Park are free unless otherwise stated.

Find out more

Transport

Train: L'Argentière SNCF station www.ter-sncf.com/paca
Access from Paris, Marseille and Grenoble
Regular services to Pays des Ecrins and Briançon from Nice, Marseille or Gap:
- SCAL coaches: http://www.scal-amv-voyages.com - Tel: + 33 (0)4 92 51 06 05
- LER bus: http://www.info-ler.fr
- 05voyageurs: https://www.05voyageurs.com/
- Transisère: http://www.transisere.fr/

Access and parking

L’Argentière-les-Ecrins is on the N94 between Briançon and Embrun. It can be reached with the motoway A51 from Marseille and the South. From the North and Briançon, the motorway A48 and the Frejus tunnel must be taken.

More information

Source

Parc national des Ecrinshttps://www.ecrins-parcnational.fr

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