It runs through beautiful countryside, and ascends to the top of Monte del Castillo (Puente Viesgo)
The Path of Castle Hill has a distance of 1800 m . Bridge leading from Viesgo ( starting from the car park leaving the road to the caves ) to the top of the peak of the same name . On this tour the old road that provided access to the caves of Castle Hill , before the construction of the existing road , and later link to an old mining road that served extracctivas small farms developed on top of used the slopes of Mt .
From where we are part of the second section of trail . In the last 950 m . correspond to the old mining road, steep on much of its route , but the effort will be rewarded by the beautiful landscapes that are covered from above.
The mining road runs zigzag alcamzar for eucalyptus to 300 m . altitude, where the forest gives way to replanting patches of indigenous forest with oak , hawthorn and elder bushes . After the last slope , the viewpoint of Viesgo Bridge , where there are magnificent views of the town and its surroundings is reached. Not far away are the first traces of mining activity .
On the south side we find the Mirador del Pas and a little later a cave mine . Here the mining road disappears and a narrow path leads the walker uphill until you reach the top. There are the ruins of the late medieval castle which gives its name to the mountain and from anywhere in a broad landscape dominates . The location of the Castle Hill , in the center of Cantabria, let our eyes reach the coast, Picos de Europa or the foothills of the Peñas Pasiegas Valnera Castro and on clear days