Bonansa Pass – Castejón de Sos loop from el Pont de Suert

Bonansa Pass – Castejón de Sos loop from el Pont de Suert

Hard

5.0

(1)

106

riders

Bonansa Pass – Castejón de Sos loop from el Pont de Suert

05:52

106km

2,270m

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 27, 2026

Waypoints

Start point

Bus stop

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14.6 km

Bonansa Pass

Highlight • Mountain Pass

The port of Bonansa is located at an altitude of 1,380 meters, in an open area from which you can see the panorama of the surrounding mountains. The climb is demanding, but worth it.

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14.8 km

Puerto de Bonansa - west side

Highlight (Segment) • Mountain Pass

The Bonansa pass is a pass that connects the Noguera Ribagorzana river basin, on the border between Aragon and Catalonia, with the Sis valley and the Isábena basin. It is …

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33.0 km

Coll de Fadas

Mountain Pass

33.0 km

Coll de Fadas

Highlight (Segment) • Mountain Pass

10km climb with about 5% average.

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43.1 km

Castejón de Sos

Highlight • Settlement

Typical town of the Pyrenees at the entrance of the Benasque valley with stone architecture that has all the basic services and hospitality. Starting and ending point of several of …

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54.2 km

Eriste Reservoir

Highlight • Lake

This small mountain town came to house thousands of people during the construction of the dam and hydroelectric plant.

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61.7 km

Eresué Church

Highlight • Religious Site

A small town in Solano that shares the Town Hall with Sahún and Eriste, on the opposite side of the valley.

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85.6 km

Coll de l'Espina (1407 m)

Highlight • Mountain Pass

Hill between valleys not so much a true port. It is a road between hills and some stretch of forest. The rise is smooth and sustained, not exceeding 8%.

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87.1 km