The Serra da Estrela is full of special landscapes and places. The location of this cache is one of those places, an area where we can find a beatiful spot of Pinus Sylvestris L.
Pinus Sylvestris L. it´s one of two species of pine that botanists have no doubt in classify as indigenous in the continental Portugal. The other one is the Pinus pinea L.
The best known species of pine in Portugal, the rough-pine (Pinus Pinaster Aiton), is still not consensus among experts, whether it is indigenous in Portugal.
According to scientific studies, more specifically based on results of pollen analyses, the top of Serra da Estrela, have been covered by forests of Pinus sylvestris L., Betula sp. and Taxus baccata L., after the retreat of the glaciers of the last glacial period.
However, at about 10.000 years ago, this specie disappeared from Serra da Estrela, so that there are currently in the Serra da Estrela belong to non-indigenous varieties, which have been introduced by the State Forestry Services.
Currently, there are some indications that the specie it´s spreading without human direct intervention.