This descending valley, which runs alongside the Tagus River for many kilometres, is full of unique and unrepeatable corners, due to the capricious formations that occur every few metres.
Access to the starting point is via the forest track that begins one kilometer before reaching the San Pedro Bridge, descending from the village of Zaorejas. Then, continue another kilometer …
The trail eventually climbs the tuff boulders and enters a small valley of pine trees and meadows, home to the Ciño Negro lagoon, with an interpretive sign on the shore. …
Valley eroded and sculpted by the passage of the Linares River for many years. This valley runs for several kilometers through areas of sandstone and slate, several of them of great beauty.