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Oña Historic Town Center – Oña Historic Center loop from Medina de Pomar

Oña Historic Town Center – Oña Historic Center loop from Medina de Pomar

Moderate

5.0

(1)

riders

Oña Historic Town Center – Oña Historic Center loop from Medina de Pomar

04:29

55.6km

310m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: July 25, 2026

Tips

Includes a segment in which cycling is not permitted

After 28.2 km for 51 m

Waypoints

Start point

Parking

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12.2 km

Gorrión

Forest

18.8 km

Santa María de los Reyes Godos

Archaeological Site

19.1 km

Ebro River Bridge

Highlight • Bridge

A beautiful bridge where we cross the Ebro River and the national highway. I'm adding photos of how it looked before it was finished; it used to be crossed over there.

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20.9 km

Poza de la Sal Salt Flats and Old Railway Station

Highlight • Historical Site

Stage 3. Trespaderne/Burgos
74.5 kilometers. 480 positive meters.

The third day of the gravel adventure has little description and no possibility of confusion, it follows the same section of the Santander-Mediterranean Natural Trail as the first stage to the city of Burgos. The Trespaderne exit passes again over the medieval bridge and connects with the railway line at the old station, equipped with benches and a recreation area. Now there are 350 meters of positive slope to the Peñahorada pass, but you barely notice it, the surface is magnificent and the kilometers fly by. The natural fantasies of the Ebro and Oca canyons end in Oña, gateway to La Bureba and its peaceful villages nestled between hills of saline marl and primitive volcanic materials, giving the landscape a particular atmosphere of shapes, reliefs, colors and textures in the Homino River plain.

The Poza de la Sal detour is highly recommended, it is close to the old railway station, it would be unforgivable to pass through the door and not stop to see this medieval town declared a Historical-Artistic Site in 1982, which was also the birthplace of the naturalist Félix Rodríguez de the fountain. The salt flats are an extraordinary set of industrial architecture at the foot of the Páramo de Masa with notable geological, ethnographic, historical and cultural interest. They have been exploited since the Iron Age until recent times. And a walk through the historic center is also essential, an interesting example of popular architecture and medieval streets staggered around the castle hill, with remains of the original wall and several doors that gave access to the interior of the town, the best known. and monumental is the Arco de la Concepción or Puerta del Conjuradero, between Plaza Nueva and Plaza Vieja.

The trip continues through the Burebana plain to the Peñahorada pass and the tunnels that save the La Serrezuela canyon, entering the path into the peasant plain of the Ubierna valley. The passage through Sotopalacios always brings excitement because the old railway does not cross many towns, it always passes glancingly. In the Villalonquéjar Industrial Park you have to change the outbound route slightly to make it easier to go through the roundabouts and enter the bike lane that leads directly to La Estación without passing through the historic center. The bike path is well indicated outside the street carriageways, it passes over the Arlanzón bridge and continues parallel to the river to the starting point in the gardens of the old North Station, where we end the intense gravel bikepacking trip. of three days in the north of the province of Burgos.

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27.8 km

Oña Historic Town Center

Highlight • Historical Site

Villa declared an Asset of Cultural Interest in the Historic Site category in 1999. Do not leave Oña without discovering its architectural jewels: the Monastery of San Salvador, the parish church of San Juan Bautista, the Tower of San Juan and the building of the City hall.

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28.4 km

Oña Historic Center

Highlight • Historical Site

Poza de Sal is about two kilometers from the old railway and we visit in the last stage that is less distance, it is worth the detour. Shortly after is Salas de Bureba, with an interesting group of ancestral houses and popular architecture. And also a couple of restaurants to recharge your batteries. The route of the Natural Trail passes through Castellanos de Bureba, Terminón and reaches the Oña station, rebuilt with good taste and equipped with recreational areas and parking lots. The historic center of Oña has been declared a Site of Cultural Interest and a detour is mandatory to explore its small streets with a medieval atmosphere full of stately houses and emblazoned facades, contemplate the imposing building of the Monastery of San Salvador and the portico of the church of San Juan, In the town hall square. On one side is the Sports bar, if you want to have a drink. The section between Oña and Trespaderme has been cut off until recently due to the works on the Oca and Ebro bridges, now it is perfectly conditioned and is a natural fantasy. The Buitre and Pastorcillo tunnels cross the Oca gorge and the greenway enters the La Sante jungle, an old palace with a romantic atmosphere that seems condemned to ruin and abandonment in a place with a certain mystery. Passing through the Horadada tunnel prevents us from contemplating the confluence of the Oca in the Ebro river and along a fantastic forest walk the Ebro bridge appears, recovered after some time in works to give continuity to the Santander-Mediterranean Nature Trail in Las Merindades, Burgos. .

The route passes through another tunnel and leaves the Horadada gorge, in the background is Trespaderne, which is the end of the next day. Now the trip continues along the gravel road to go up the Nela River basin to the foot of the Cantabrian Mountains, passing through the town of Nofuentes and then the old stations of Pradolamata, Moneo, Bustillo and Medina de Pomar appear, the town most populated in Las Merindades with 18 districts and 17 neighborhoods. Medina de Pomar has held the title of city since 1894, it is outside the greenway a couple of kilometers. The Velasco Castle, also called Alcázar de los Condestables, or simply Las Torres, is the building that attracts attention from the Nature Trail. In the historic center there are houses with emblazoned facades, palaces, stone streets, squares with arcades and original doors from the old medieval wall, a good reason to visit the town and learn about the historical and monumental heritage of the region. The railway route continues through the Nela valley, passes through several bridges rebuilt in the last refurbishment of the track and reaches the Villacaryo-Horna station, where we mark the end of the first stage. Access to the center and the picturesque Plaza Mayor is easy via Avelino Alonso de Porres Castro Street. Villarcayo is the capital of Las Merindades Burgos, it has all kinds of services.

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28.9 km

Santander–Mediterranean Railway Greenway: Oña Gorge and Tunnels

Highlight (Segment) • Trail

Nice stretch of greenway with privileged views of the Oña Gorge. The path runs parallel to the river and has no difficulty as it is completely flat terrain. On the way you have to pass a couple of tunnels.

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