Tarriba, San Felices de Buelna

From the village of San Felices de Buelna (CA-170) secondary road, at Rivero, take a road leading (after 0.6 km) to the village of Tarriba. From there, take a track leading up to Monte Tejas. Some 1.7 km. along the track, on the left hand side, the Peña de los Hornos can be seen where the cavity opening lies.