We begin the route in San Martín de Oscos where we can see the parish church, with a Latin cross plan, large porticoed space and inscription of 1828. To the right of the facade we observe one of the most characteristic hórreos of the Oscos with a mixed roof (slate and straw), which corresponds to the primitive models. In front of the church we have the mansion of the Guzmanes, an old manor house of the XVIII century, which preserves in the portico of its main entrance a coat of arms carved in stone. We cross the bridge that crosses the San Martín river to begin the ascent to Mount Marón, entering a small forest of birch and oak trees, which make our walk even more pleasant.
Already at the top of the summit (897 m) we can see most of the council of San Martin, as well as other neighboring: Santa Eulalia, Illano, Grandas de Salime, Pesoz and A Fonsagrada. After delighting ourselves with this view of distant horizons we descend through a pine forest, meeting the access road to Ascuita. After 1.25 km we reach this small village, once very busy because it was on the road between San Martín and Santa Eulalia. We return to the main road and head towards Vilarín de Trasmonte, passing by the hermitage of Santa Engracia. Currently this route is connected with a section of the Las Minas route, exactly with the one that leads to the Carmina Mine. At a given moment, the signage will warn the hiker of this circumstance. The return to San Martín will be by road.
The itinerary begins in Teixo, where after leaving the vehicle and passing the last houses we start an easy walk along the road that connects this town with Santa Marina, leaving it to the right by a wide dirt track that leads us after a slight descent to the Arroyo das Mestas.
The route starts in the center of Vegadeo in the area known as the Fondrigo, located at the exit to Galicia. From here we start the ascent to Miou, where we will find a crossroads where the path forks and we can go on either side, since from this point the route is circular.
We start the walk in the old station of San Tirso de Abres, today restored for private housing, finding the first of the six tunnels just 300 m away, continuing next to the river Eo enjoying every moment of great panoramic views of the riverbed, of incalculable ecological and fish value, in which abound a large number of aquatic species, the most characteristic being trout, lamprey and salmon. Later the path crosses the N-640 road and leads us to an old power station built in 1932, located just before crossing another of the tunnels drilled in the rock, which leaves us close to the pedestrian walkway over the river Eo.
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The route begins in Santa Eufemia, shortly after passing the Ecomuseo del Pan in the direction of Pacios. We enter a small path through a native forest populated by oak, birch, holly and chestnut trees.
This route starts at the Nature Interpretation Center, in the center of Santa Eulalia de Oscos.