Forests cover a quarter of the Courel mountain range .These forests are made up of beech, chesnut , oak , cork oak, and birch trees.
The greatest exponent of the beech forest is the Devesa da Rogueira forest, one of the most biodiverse forests in Galicia. It has been declared a Natural Site of Tourist Interest. You can also see oak, hazelnut, holly or yew trees.
Chestnut forests have been planted around the villages of the Courel area. It is worth going to see Vilar, Mercurín or Padern. There are more than just forests. In spring the orchids, some of them native to the Courel and Bierzo areas, are in bloom everywhere and four protected reserves have been set up at Alto do Couto, Visuña, Mostaz and Pedrafita do Courel.