Tour around the geology

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Start from Lussas, village situated on calcareous soil. The "Plateau des Gras" is dated of 130 millions of years (Upper Jurassic). At this date, the sea recovered the entire department.
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When you are on the center of the village, take on your left, direction Saint-Privat, up to the gallo-roman oppidum of Jastres, located on a cliff. You have a view on the Ardèche valley and on black cliffs of “Le Coiron”.

At Lussas, turn on your left, direction Saint-Laurent-sous-Coiron, rejoin the D7 and turn on your right direction Freyssenet: you visit the “Coulet de la Soulière”.

At Freyssenet, take on your left, then on your right at the “Col du Benas”, direction Berzème, then direction Sceautres. The village of Sceautres is loved at the foot of a remarkable volcanic neck.

Continue the road and pick up the national road until Saint-Jean-le-Centenier. Follow Privas and visit “Les Balmes de Montbrun” (D7) – a troglodytic site, dated on the Middle-Age and built on an ancient volcano.

Finish by “Les Rochers”, direction Mirabel on your right at the beginning of Saint-Jean-le-Centenier, to see gigantic blocks of basalt, and by the village of Mirabel.

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  • AdressQuartier de la Gare, Montfleury
    07170 Mirabel
  • Contact04 75 94 89 28
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  • GPS coordinatesLatitude : 44.563536
    Longitude : 4.474032