4.9
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2,085
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No traffic road cycling routes around Saro, a municipality in Cantabria, Spain, are characterized by rolling hills and green valleys. The region offers a mix of terrain, from converted greenways to more challenging ascents over passes. Cyclists can explore varied landscapes, including historical aqueducts and scenic rural areas.
Last updated: July 2, 2026
55
riders
43.5km
03:04
210m
210m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
28
riders
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

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8
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4
riders
11.8km
00:41
220m
220m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Saro
High point that connects the Pisueña valley with the Miera valley. Several options for ascending.
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Take advantage of this source of good water to refill your bottles and see a bit of the beautiful town of Puente Viesgo.
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It is located right next to the greenway. It was built in 1885 in order to supply drinking water to the city of Santander. It is surrounded by nature and there are chairs, tables and benches in the park.
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German-made locomotive that entered service in 1913 to transport iron ores and limestone from the Camargo mines to its factory. It is located on the greenway, near the train station, converted into an exhibition hall and tourist information office.
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On the border of the town councils of Cayón and Saro is this stone cross on which on one side you can read ''Year 1629 Cayon Hesles'' and on the other side ''Carriedo Llerana''.
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One of the most accessible cycling greenways in Cantabria. It runs through the Valles Pasiegos crossing the emblematic Puente Viesgo. It is a very rich route, covering places such as the Collegiate Church of Santa Cruz in Socobio, the Church of the Assumption in Acereda, the Monastery of Nuestra Señora Del Soto in Iruz or the Spa and Town Hall of Puente Viesgo or the Historical-Artistic Complex of Alceda among others.
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Also known as El Puente Rual, the aqueduct is next to the Vía Verde del Pas. It was built in 1885 in order to supply drinking water to the city of Santander. It is an ideal place to take a short break – there is shade, benches and tables. In front there is a bar and a fountain.
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The old Santander-Ontaneda railway had an important stop in Puente Viesgo. Once its route disappeared, it was recovered as a place for walks and a bike path. From the spa, a straight path begins that takes you first to the old train station, a curious railway construction that can only be seen from the outside, and you arrive at the place where the "La Reyerta" locomotive recalls past times. Built in Munich in 1912, its machinery has been taken care of and restored, now on one side of the old track that it used. You can go up and feel like a driver or take pictures.
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There are 3 dedicated no-traffic road cycling routes around Saro featured in this guide. These routes offer a variety of distances and elevation gains for different preferences.
Yes, for those looking for an easier ride, the Alto de la Cruz de Esles loop from Santa María de Cayón is classified as easy. It covers 11.7 km with a manageable elevation gain of 217 meters, making it a great option for beginners or a relaxed outing.
The no-traffic routes around Saro are designed for road bikes, meaning you can expect mostly paved surfaces. While they are car-free, some routes include elevation changes, such as the moderate Estranguada Pass – Alto de la Cruz de Esles loop from Santa María de Cayón which features an elevation gain of 872 meters.
Yes, all the no-traffic road cycling routes highlighted in this guide are circular. This includes the Pas Greenway – Santiurde de Toranzo Aqueduct loop from Castañeda, offering a convenient way to start and end your ride at the same point.
The komoot community highly rates the cycling experience in Saro, with an average score of 4.75 out of 5 stars from 22 ratings. Cyclists often praise the tranquility and scenic beauty of these car-free routes.
While the routes themselves offer beautiful scenery, the Saro region is also home to several natural attractions. You can find stunning mountain passes like Alto de la Estranguada and picturesque lakes such as Pozo Menor de Valcaba nearby. These can be explored as separate highlights or combined with your cycling trip.
While there are no routes classified as 'difficult' in this specific guide, the Estranguada Pass – Alto de la Cruz de Esles loop from Santa María de Cayón is a moderate route with a significant elevation gain of 872 meters over 33.9 km, offering a good challenge for experienced riders.
The no-traffic road cycling routes in Saro vary in length. The shortest is approximately 11.7 km, while the longest extends to about 33.9 km. This provides options for both shorter, leisurely rides and longer, more demanding excursions.
Many of the routes in the Saro region, especially those that include climbs to mountain passes, offer rewarding viewpoints. While specific viewpoints are not detailed for every route, the natural landscape of the area ensures scenic vistas, particularly on routes like the Estranguada Pass – Alto de la Cruz de Esles loop.
Yes, one of the routes, the Pas Greenway – Santiurde de Toranzo Aqueduct loop from Castañeda, specifically highlights the Santiurde de Toranzo Aqueduct, offering a historical point of interest during your ride.


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