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Mountain biking trails

Roman Bridge over the Bermaña River – Azucarera de Portas loop from Os Castaños

Routes

Mountain biking trails

Roman Bridge over the Bermaña River – Azucarera de Portas loop from Os Castaños

Moderate

5.0

(1)

riders

Roman Bridge over the Bermaña River – Azucarera de Portas loop from Os Castaños

03:26

45.5km

240m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 30, 2026

Tips

Cycling is not permitted along parts of this route

After 21.4 km for 295 m

After 21.8 km for 76 m

After 22.6 km for 68 m

Waypoints

Start point

Bus stop

Get Directions

242 m

Entrance to Ruta da Pedra e da Auga

Highlight • Trail

Caution. Trail heavily frequented by hikers.

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18.1 km

Umia River Trail

Highlight (Segment) • Trail

Leaving from the town the path is a path and at the end it narrows. There is the possibility of linking up with the Salnés greenway at the end of …

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21.9 km

As Burgas Hot Spring Fountain

Highlight • Natural Monument

This fountain was built in 1881 and the water that comes out of it is at about 50º C. Due to its temperature and composition, it is considered that these …

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22.6 km

Roman Bridge over the Bermaña River

Highlight • Bridge

Historical and older bridge.

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23.2 km

Caldas de Reis

Highlight • Settlement

Traditional important stop along the Camino Portugues to Santiago de Compostella.
For some reason somebody keeps deleting this highlight. Please let me know what your issue is. Thanks.

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23.2 km

Caldas de Reis Thermal Baths

Highlight • Structure

Caldas de Reis is a municipality in Pontevedra that currently has about 10,000 inhabitants. There is evidence that this place has been inhabited since prehistoric times. The most important is …

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25.1 km

Azucarera de Portas

Highlight • Monument

Old sugar factory with a tall red brick chimney on the outskirts of Caldas de Ries. Today the building is used as a nursery, day center and exhibition hall.

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31.3 km

Río Umia

Lake

33.2 km

Aceñas do Umia

Highlight • Monument

Natural environment located during the course of the river Umia through Baion, in which the Aceñas mill is also located. Its name, Aceñas, comes from acea, a flour mill on …

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45.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

21.4 km

10.3 km

9.68 km

3.38 km

743 m

Surfaces

29.3 km

11.3 km

3.36 km

1.26 km

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Wednesday 1 July

33°C

18°C

0 %

Additional weather tips

Max wind speed: 31.0 km/h

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Comments

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Roman Bridge over the Bermaña River – Azucarera de Portas loop from Os Castaños

Entrance to Ruta da Pedra e da Auga

Umia River Trail

As Burgas Hot Spring Fountain

Roman Bridge over the Bermaña River

Caldas de Reis

Caldas de Reis Thermal Baths

Azucarera de Portas

Aceñas do Umia

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