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Bike touring routes & trails

Castiello De Jaca

Marie-Blanque Pass – Somport Pass loop from Castiello

Bike touring routes & trails

Castiello De Jaca

Marie-Blanque Pass – Somport Pass loop from Castiello

Hard

4.6

(5)

45

riders

Marie-Blanque Pass – Somport Pass loop from Castiello

10:30

145km

3,100m

Cycling

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

Last updated: August 27, 2026

Tips

Includes short out-and-back sections

Your route doubles back at waypoints. If this isn’t intentional, adjust those waypoints’ positions.

After 21.6 km for 90 m

After 124 km for 39 m

Waypoints

A

Start point

Train Station

12.2 km

Embalse de Canfranc

Lake

2

13.4 km

Canfranc International Railway Station

Highlight • Monument

The Canfranc International Railway Station is a splendid building bathed in various architectural influences that was conceived as a great showcase of Spain for foreign visitors.
It is essential to …

Translated by Google •

Tip by

3

21.6 km

Gîte de Somport

Highlight • Mountain Hut

Located at the door of Spain a few steps from the Col de Somport, the lodging of the same name has a dozen beds. In winter, its Nordic resort offers many activities.

Translated by Google •

Tip by

4

29.8 km

Peilhou Dam and Lake

Highlight • Lake

Peilhou Lake is located between the villages of Urdos and Borce. Its dam serves as a water retention for the Gave d'Aspe in the valley of the same name.

Translated by Google •

Tip by

37.2 km

Viewpoint

Viewpoint

50.5 km

Cours du Gave d'Aspe

Lake

7

54.5 km

Houraté loop

Highlight • Other

small loop but good climb

Translated by Google •

Tip by

8

61.8 km

Sarrance

Highlight • Settlement

Nestled in the heart of the Aspe valley, Sarrance is a village marked by its history and traditions. Its eco-museum offers an original immersion into Pyrenean mythology, for a unique dive into ancient beliefs and stories.

Showing Translation

Tip by

9

74.4 km

Marie-Blanque Pass

Highlight • Mountain Pass

The Col de Marie-Blanque is an emblematic passage of the Tour de France which peaks at 1,035 meters above sea level. Its ascent from Louvie-Juzon is 15 kilometers long for …

Translated by Google •

Tip by

10

74.4 km

Ascent of Col de Marie-Blanque from Escot

Highlight (Segment) • Mountain Pass

The Col de Marie-Blanque is a classic of the Tour de France. From Escot, the nine-kilometer climb begins gently before becoming steeper over the last four kilometers, with an average gradient of 7.6%.

Translated by Google •

Tip by

11

124 km

Somport Pass

Highlight • Mountain Pass

The Col de Somport is on the border between France and Spain at 1,632 meters above sea level. It has the particularity of being above the tunnel of the same …

Translated by Google •

Tip by

B

145 km

End point

Train Station

Way Types & Surfaces

Way Types

91.1 km

50.3 km

2.58 km

768 m

519 m

< 100 m

< 100 m

Surfaces

139 km

5.07 km

1.25 km

< 100 m

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Elevation

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

Highest point (1,630 m)

Lowest point (320 m)

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