Portet Pass – Middle Bastan Lake loop from Saint-Lary-Soulan

Routes

Running trails & routes

Portet Pass – Middle Bastan Lake loop from Saint-Lary-Soulan

Hard

4.3

(4)

904

runners

Portet Pass – Middle Bastan Lake loop from Saint-Lary-Soulan

06:46

41.8km

2,360m

Running

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: September 30, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc national des Pyrénées (Aire d'adhésion)

Waypoints

Start point

Parking

Get Directions

12.6 km

Col de Portet

Highlight • Mountain Pass

Culminating at 2,215 meters above sea level, it is the highest pass in the Pyrenees taken by a road.
Overlooking the village of Saint-Lary Soulan, it offers a lovely panorama over the valley.

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12.8 km

Portet Pass

Highlight • Mountain Pass

Superb climb! Route reserved for cyclists from 10 a.m. to 3 p.m. at a certain time of the year! Watch out for the cows on the descent!

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17.8 km

Middle Bastan Lake

Highlight • Lake

The middle lake lies, as its name suggests, between the lower and upper lakes. The three of them form a string of lakes called the Bastan lakes. Of glacial origin, …

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18.2 km

Bastan Refuge

Highlight • Restaurant

The Bastan refuge is located a little higher up, on the shores of Lac du Milieu. It is open from the last weekend of May to the first weekend of …

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20.0 km

Col de Bastanet

Highlight • Mountain Pass

The Col de Bastanet is 2,509 meters above sea level. It offers a splendid view of the various Bastan lakes.

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20.7 km

View of Lac de Port Bielh from Hourquette de Caderolles

Highlight • Viewpoint

Here at more than 2600m altitude, the view is impregnable, almost terrifying when the sky darkens but it is majestic.

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22.1 km

Lake of Port Bielh

Highlight • Lake

This natural lake, of glacial origin, is revealed to walkers who arrive via the passes. Well sheltered behind its granite barrier, it is impossible to see it from the bottom …

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23.3 km

Laquet de Coste Oueillère

Highlight • Lake

The lake of Coste Ouiellère is well guarded since it is surrounded by overhanging many natural lakes, among the most beautiful of the reserve.

If sheep are regularly found around …

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41.8 km

End point

Parking

Way Types & Surfaces

Way Types