Marie-Blanque Pass – Somport Pass loop from Castiello-Pueblo

Marie-Blanque Pass – Somport Pass loop from Castiello-Pueblo

Hard

192

riders

Marie-Blanque Pass – Somport Pass loop from Castiello-Pueblo

08:15

147km

3,160m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 14, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 666 m for 301 m

After 11.7 km for 465 m

After 146 km for 301 m

Waypoints

Start point

Train Station

Get Directions

16.1 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 …

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32.6 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.

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40.1 km

Fortin du Poutou

Ruins

54.3 km

Bedous

Highlight • Other

Beautiful town in the Pyrenees region

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66.2 km

Cours du Barescou

Lake

73.3 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 …

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73.3 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%.

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94.2 km

Cours du Gave d'Aspe

Lake

104 km

Borce

Highlight • Other

Borce is a medieval village in the Aspe valley. Charming and authentic, the village includes several inns as well as a small grocery store: the Maison de l'Ours.

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123 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 …

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147 km

End point

Train Station

Way Types & Surfaces

Way Types