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Lichenological trail (Champdepraz, trail sign 6-5c)
This itinerary winds along the Magazzino – Lac Gelé – Gran Lac – Lac Blanc route.
The itinerary is described in a leaflet distributed at the Park's visitor centres which comes with three illustrated panels. Lichens are among the organisms most frequently used as bio-indicators, being very sensitive to environmental variations and especially to air pollution. The rocks of the valley – especially the serpentinite – host a rich and very interesting lichen flora.
