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Bossòst – Portillón Pass loop from Les

Routes

Mountain biking trails

Bossòst – Portillón Pass loop from Les

Moderate

5.0

(5)

riders

Bossòst – Portillón Pass loop from Les

02:52

30.9km

850m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 16, 2026

Waypoints

Start point

Parking

Get Directions

192 m

Haro of Les

Highlight • Monument

The Haro de Les festival has a pagan origin. On the summer solstice, a fir trunk about 12 meters high was burned to thank the gods for the success of …

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Tip by

4.11 km

Bossòst

Highlight • Settlement

Very pretty little Spanish village along the Garonne. Lots of small bars and restaurants to eat.

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4.14 km

Bossòst

Highlight • Settlement

Really nice small town that has plenty of resupply options and some hotels to sleep in.

Tip by

9.13 km

Monument to Spanish Tour de France Winners and View of the Val d'Aran

Highlight • Monument

Each bend preceding the stele from Bossost honors one of the Spanish winners of the great loop up to the stele which recapitulates these victories. The point of view is worth making a small contemplative stop.

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9.23 km

Tuc de la Clota Trail

Highlight (Segment) • Trail

Nice track to climb to the Portillon in Gravel/MTB mode. The part that goes over the pass remains quite flat for a while before actually starting the descent to Bossost. …

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18.4 km

Portillón Pass

Highlight • Mountain Pass

The Col du Portillón is a short but intense mountain pass that connects the Aran Valley to France via a narrow, shady road through forests. Its ascent, with its pleasant slopes, is highly appreciated by local and professional cyclists.

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30.9 km

End point

Parking

Way Types & Surfaces

Way Types

13.5 km

12.4 km

2.95 km

1.16 km

906 m

Surfaces

15.4 km

9.25 km

4.34 km

1.57 km

353 m

Elevation

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

Weather

Wednesday 1 July

19°C

9°C

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Comments

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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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Bossòst – Portillón Pass loop from Les

Haro of Les

Bossòst

Bossòst

Monument to Spanish Tour de France Winners and View of the Val d'Aran

Tuc de la Clota Trail

Portillón Pass

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