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Mont Gerbier de Jonc, Saint-Martial

4.4

#10 of 11 in Nature in Ardeche

Mountain Nature / Park

Mont Gerbier de Jonc is a mountain of volcanic origin located in the Massif Central in France. It is made of a type of rock called phonolite. It rises to an altitude of 1551m, and its base contains three springs that are the source of the Loire, France's longest river. It is the second most-visited site in the département of Ardèche, after the Ardèche Gorges.Mont Gerbier de Jonc was formed 8 million years ago when a volcano erupted molten phonolite lava. The lava was too viscous to flow far and it cooled to form a lava dome of phonolite rock in the crater of the volcano. The lava dome has columnar jointing, which formed during cooling of the lava. The volcanic cone containing the lava dome was later eroded away, exposing the lava dome.

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77 reviews

MDavies13

After a windy drive through the mountains you arrive at mont gerbier de jonc. It is quite a climb to the top and there are ropes along the path to help you up. Beware - suitable footwear is essential.... more »
marjorie r

Nous ne sommes pas montées en haut du mont gerbier de Jonc, ma santé ne me le permettait pas néanmoins, nous avons fait la randonnée "guidée" des sources de la Loire. La guide s'arrêtait tous les 5 mè... more »

We are not mounted at the top of Mount gerbier rush, my health did him not allow me nevertheless, we did the "guided" hike of the sources of the Loire. The guide stopped every 5 meters to show us plants. At the end of 10 plants, we cracked and continued alone.

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vvbb11590

Visite du Mont gerbier, ou plutôt belle escalade, attention montée et descente difficile il faut être en forme et équipé. au bas des petites cabanes avec de produits locaux. lorsque vous descendez vou... more »

Visit the Mont gerbier, or rather nice climbing, rising attention and difficult descent to be shaped and equipped. at the bottom of small huts with local products. When you get off you follow the path on the right just before the restaurant and you crossed the road for a short hike in the footsteps of the Loire, very nice course semi shaded in the forest. Take also advantage to visit the waterfall of the Rey peak and make a small loop there is a very beautiful village to visit.

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