- Born 3 million years ago, the ancient volcano created this island, approaching 4000 metres in altitude. Instead of the cirques, there was basalt ground of the same altitude as the present ridges. 300 000 years ago, great geological upheavals occurred. The inside of the volcano contained an immense empty magma chamber. Erosion slowly did its work of undermining the structure, and the central caldera of Piton des Neiges collapsed over 1000 metres, crushing the empty magma chamber. This hike lets you see close up the huge vent and split crater of this ancient volcano.
- Difference in height
- 733.57 m
- Gourd, raincoat, hiking shoes, warm clothes, energy food, hat.
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