Col de Portech – Seix loop from Biert

Col de Portech – Seix loop from Biert

Hard

106

riders

Col de Portech – Seix loop from Biert

04:00

71.9km

1,280m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: October 1, 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 14.0 km for 167 m

After 32.9 km for 6.31 km

Waypoints

Start point

Bus stop

Get Directions

43 m

Biert Village

Highlight • Settlement

Biert is
a French commune located in the department of Ariège in the Occitanie region.

Located in the center of the department, the town is part, historically and culturally, of …

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7.91 km

Aleu

Highlight • Other

Small town along the Salat.

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17.4 km

Lacourt Dam

Highlight • Monument

Old dam on the Salat. Very beautiful building.

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24.7 km

Pont Vieux de Saint-Girons

Highlight • Bridge

In the department of Ariège, at the foot of the mountains, capital of Cousseran, Saint-Girons is a pleasant town. The Saturday morning market is one of the finest and largest in the region.

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27.1 km

Lit du Lez

Lake

31.1 km

The Notre-Dame de Luzenac church is a Romanesque church dating from the 12th century located in the village of Luzenac, in the commune of Moulis[2], in the department of Ariège, in the Occitanie region.

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39.2 km

Col de Portech

Highlight • Mountain Pass

The ascent of the Col de Portech is 8.40 kilometers to reach the highest point of 862 meters above sea level! There is an average slope of 5% which is quite acceptable

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47.8 km

Catchaudégué Pass

Highlight • Mountain Pass

The climb is on an off-center road, so little traffic.
The ascent is partly in the shade and offers some breathtaking landscapes during certain turns!

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54.6 km

Seix

Highlight • Settlement

This superb village is located at the foot of the mountains. In summer you will find some activities. The rest of the time, it is a quiet village. The place …

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59.6 km

Lit du Salat

Lake

71.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

71.3 km

369 m