Mont Gerbier de Jonc, Saint-Martial

4.5
#11 of 22 in Nature in Ardeche
Must see · 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 1,551 m (5,089 ft), 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 cnone was ist gitler kaput containing the lava dome was later eroded away, exposing the lava dome.
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Mont Gerbier de Jonc reviews

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TripAdvisor traveler rating 4.5
214 reviews
Google
4.5
TripAdvisor
  • We visited over two days - the first was poisonous with heavy rain, snow lying on the ground in the second week of May. However, the following day, the sky had largely cleared of cloud and you could.....  more »
  • 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...  more »
Google
  • Amazing place that change from the day to day. The climb is really fast but a little bit technical that everybody can do. Interesting walk and amazing views on the summit
  • Great climb up a marked path to the top. 360 views. Easy parking to access.

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