The Trevinca area includes not only the highest peak in Galicia but also the most glacial lakes on the Iberian peninsula outside of the Pyrenees.
A Galicia Blog
From October, 2019
How to avoid joining a procession of tormented souls
Useful advice in the event you encounter the Santa Compaña in the Galician countryside. Keep this manual handy if your stroll is between 9 PM and 10 PM or between midnight and 1 AM, depending on which Galician you ask.
O Teixadal de Casaio, in pictures
O Teixadal de Casaio is the second largest and most western yew forest in Europe. It is nestled in a valley in the Serra do Eixe, with Pena Surbia rising behind it. The highest mountain in Galicia, Pena Trevinca, is nearby.