Muzelle Lake

6 points of interest

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  History

  A bit of history concerning the valley of Muzelle

  At the end of the 19th century the forest was practically nonexistent, it had been reduced in favour of pastoral activity (on the higher planes) and for the culture of cereals, principally barley, above the inhabited areas. Towards 1945, the highest hamlets, like the one at Laffreyte above Bourg-d'Arud, were emptied of their inhabitant. Today the forest has gained ground covering the memory of a few ruins at the bottom of the track... Before the arrival of the motor car and the creation of roads, this itinerary around the lake and the Muzelle mountain pass was often used by the inhabitants of Venosc in order to cross the valley to the neighbouring valley of Valbonnais.

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  Pastoralism

  The pastoral valley

  The configuration of the site made it very favourable to pastoralism for several centuries. This area of pastures was rented during the 19th and 20th centuries to seasonal grazers from the South of France. The local flocks from Venosc and particularly the flock from the hamlet of Laffreyte also went there. At that time, the first animals up in the mountain each year were the cows then the sheep. Since the 1980s, a flock of sheep of round 1200 animals from the Hautes-Alpes summer graze from June onwards and spend the summer in this prairie.

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  Flora

  Muzelle bog

  The humid zone, which you cross just before Muzelle lake, is bursting with astonishing biodiversity. The remains of a big lake created during the retreat of the glacier, this marsh has become filled little by little with plants forming the biggest bog in Vénéon valley. For several generations, the shepherds have used the peat as a fuel. Today it is forbidden to extract it. The place is protected by fences as part of agri-environmental measures.

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  Geology and geography

  Ser Barbier Fault

  The fault at Ser Barbier brings into contact the crystalline bas (the needle of Venosc) and a marly deposit (Vallon mountain pass). It was formed during the Jurassic period when the Téthys sea opened out, by breaking and crumbling the crystalline massif. The rubbing together of the two parts created a beautiful striated mirror clearly visible due to erosion.

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  Flora

  Fauna and Flora in the Bog

  The bog is a very special environment which, by definition produces peat. Its appearance is that of a carpet of spongy sphagnum, plants full of water similar to mosses that accumulate over time. Their scientific study has enabled us to trace the evolution of the climate as well as that of the vegetation. The bogs can be seen at a distance when the Cotton Grass is in flower. Etymologically its name in French describes the 'portelaine' (wool carrier): its fluffy tufts and its cottony appearance make it an easily identifiable plant... You can also see around here and animal that is very active in this area: the common frog. Resistant to the cold, it is a batrachian which is very well adapted to the alpine environment. The yellow abdomen and the large dark mark at the back of the eye incorporating the ear drum are two characteristics observable with this species...

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  Hut

  Muzelle refuge

  The bottom of the valley comes up to the rock wall at Muzelle, the pic du Clapier du Peyron and the head of the Muraillette. The modern history of this place is marked by mountaineering. It was on the 2nd July 1875 that Coolidge guided by  Almer father and son opened the normal way to Roche de la Muzelle by the East North East face and  the North-East ridge.. At this time, even if a pastoral cabin was used by the mountaineers the bivouac was still often used in the Muzelle valley. In 1967, it was in the rocky cirque that the community built the refuge on the shore of Muzelle lake. 

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