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Routes
Bike touring routes & trails
Spain
Castile and León
Burgos
Merindades
Espinosa De Los Monteros

La Sía Pass – Grazing area loop from Las Machorras

Hard

10

riders

La Sía Pass – Grazing area loop from Las Machorras

05:59

74.1km

2,280m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 16, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parque Natural de los Collados del Asón

Waypoints

A

Start point

Bus stop

Get Directions

1

5.12 km

Road to Portillo de la Sía

Highlight • Mountain Pass

Climbs to have trained legs

Translated by Google •

Tip by

2

7.88 km

La Sía Pass

Highlight • Mountain Pass

very windy, wrap up well

Translated by Google •

Tip by

3

9.19 km

Impressive viewpoint ideal for resting before attacking the last two ramps of the port of El Portillo del La Sía. Grazing cows and mountains, you couldn't ask for more.

Translated by Google •

Tip by

17.2 km

Collado del Asón

Mountain Pass

5

18.4 km

Viewpoint of the Asón Waterfall

Highlight • Viewpoint

It depends on the rainfall regime, it can be a spectacle, or a disappointment: but only the flow of the waterfall.

Translated by Google •

Tip by

6

50.0 km

Miera River Valley

Highlight • Gorge

59.8 km

Plataforma del resbaladero de maderas de Lunada

Ruins

8

62.7 km

Portillo de Ludaña

Highlight • Mountain Pass

63.5 km

Portillo de Lunada

Mountain Pass

10

66.0 km

Climb to Portillo de Ludaña

Highlight • Climb

11

73.8 km

Grazing area

Highlight • Natural

Stopping to watch them graze is not a bad option. Many times we will see the ranchers of the area with them

Translated by Google •

Tip by

B

74.1 km

End point

Bus stop

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Way Types & Surfaces

Way Types

74.2 km

Surfaces

73.4 km

761 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 (1,310 m)

Lowest point (160 m)

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Weather

Powered by Foreca

Friday 4 September

31°C

16°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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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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