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Routes
Road cycling routes
Spain
Castile and León
Burgos
Paramos
Valle De Sedano

Portillo de Fresno – Molino del Zurdo loop from Barrio de Trascastro

Routes
Road cycling routes
Spain
Castile and León
Burgos
Paramos
Valle De Sedano

Portillo de Fresno – Molino del Zurdo loop from Barrio de Trascastro

Intermediate

5.0

(1)

16

riders

Portillo de Fresno – Molino del Zurdo loop from Barrio de Trascastro

03:02

64.4km

850m

Intermediate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.

Last updated: August 11, 2025

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Waypoints

A

Start point

Parking

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1

30.3 km

Molino del Zurdo

Ruins

2

34.3 km

Church of Saint Stephen the Protomartyr

Highlight • Religious Site

On the other side of the Río Rudrón, where you have to cross the river that has formed the gorge where we are, is the beautiful Iglesia de San Esteban Protomártir.

Translated by Google •

Tip by

3

54.0 km

Portillo de Fresno

Mountain Pass

B

64.4 km

End point

Parking

Way Types & Surfaces

Way Types

50.4 km

12.9 km

987 m

< 100 m

Surfaces

63.0 km

1.31 km

< 100 m

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Elevation

Elevation

Highest point (1,050 m)

Lowest point (680 m)

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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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