These are typical examples of viscous lava needles that have moved into place almost in a solid state. Here no craters but massive shapes in the landscape. Interpretation table between the two rocks.
Description
These multiple pistons are installed, like most nearby volcanoes, in a period ranging from 8 to 6 million years. Access by the car park on the village square. 1 hour hike (round trip) between the two rocks of Borée, 2 km (easy trail). Follow the signs for the Montagne Ardéchoise.
Opening
All year.
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Prices
| Free access. |
Location