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Routes
Mountain biking trails
Spain
Castile and León
Burgos
Merindades
Espinosa De Los Monteros

Puerto de los Tornos Viewpoint – La Sía Pass loop from Espinosa de los Monteros

Routes
Mountain biking trails
Spain
Castile and León
Burgos
Merindades
Espinosa De Los Monteros

Puerto de los Tornos Viewpoint – La Sía Pass loop from Espinosa de los Monteros

Hard

6

riders

Puerto de los Tornos Viewpoint – La Sía Pass loop from Espinosa de los Monteros

06:50

84.9km

1,950m

Mountain biking

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: May 8, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parque Natural de los Collados del Asón

Lugar de Importancia Comunitaria de Ojo Guareña

Waypoints

A

Start point

Train Station

Get Directions

1

17.2 km

Puerto de los Tornos Viewpoint

Highlight • Viewpoint

Access to the plateau from the Asón area. Shortly after you look down the path you will see "the lathes" of the path that ascends from La Calera del Prado. …

Translated by Google •

Tip by

2

37.9 km

Good place to rest and take a bath in the Asón river. It has many picnic tables. Wooded area with lots of shade. There is also a bar with a private barbecue area.

Translated by Google •

Tip by

39.9 km

Ruins

Ruins

4

45.2 km

Nice park next to the Asón river. It is the perfect place to relax and cool off in the summer after a long ride on the bike.

Translated by Google •

Tip by

5

58.1 km

In each horseshoe of the road you will have a panoramic point towards the imposing waterfall of more than 70 meters that physically marks the source of the Asón river. …

Translated by Google •

Tip by

60.3 km

Collado del Asón

Mountain Pass

7

69.6 km

La Sía Pass

Highlight • Mountain Pass

very windy, wrap up well

Translated by Google •

Tip by

8

74.2 km

Picón Blanco

Highlight • Mountain Pass

El Picón Blanco is a well-known mountain pass, very popular among road cyclists, although it is gaining popularity among donkey lovers, since it can be reached by a forest track …

Translated by Google •

Tip by

9

82.6 km

Excellent location to enjoy the views of Espinosa de los Monteros with the Church of Santa Cecilia in the center.

Translated by Google •

Tip by

B

84.9 km

End point

Train Station

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Way Types & Surfaces

Way Types

44.8 km

17.8 km

14.7 km

5.77 km

1.87 km

Surfaces

55.8 km

17.9 km

9.74 km

1.13 km

482 m

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Elevation

Elevation

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

Highest point (1,490 m)

Lowest point (70 m)

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Weather

Powered by Foreca

Sunday 5 July

34°C

13°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

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