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Middle Bastan Lake – Lower Bastan Lake loop from Col de Portet

Routes

Hiking trails & Routes

Middle Bastan Lake – Lower Bastan Lake loop from Col de Portet

Moderate

4.6

(44)

568

hikers

Middle Bastan Lake – Lower Bastan Lake loop from Col de Portet

04:24

12.7km

310m

Hiking

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required. The starting point of the route is right next to a parking lot.

Last updated: May 14, 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

174 m

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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299 m

Col du Portet and lakes d'Oule, Bastan, Supérieur

Highlight • Mountain Pass

We even had the chance to admire the marmots ... Magnificent views all along the paths. A little refreshment at the Bastan lake refuge. We will come back there with the tents to camp around the lakes of altitude.

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2.87 km

View of the Lac de l'Oule Dam

Highlight • Viewpoint

Very nice view of the dam, the hike leading to Lac de Bastan is very nice, especially when you start to see the refuge and the lake.

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5.34 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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5.70 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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5.99 km

Upper Bastan Lake

Highlight • Lake

Also at this lake you will find good camping facilities, which were also well used. Since you are no longer in the Neouvielle reserve, you can leave the tent there …

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6.36 km

Upper Bastan Lake

Highlight • Lake

The upper lake of Bastan is the last and the highest (2260 meters above sea level) of the three lakes of Bastan.

This set owes its name to its staircase …

Translated by Google •

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7.96 km

Lower Bastan Lake

Highlight • Lake

The lower lake forms a peaceful and preserved lake site, out of sight. You will have the feeling of entering a crater as it is protected by its environment. This …

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12.7 km

End point

Parking

Way Types & Surfaces

Way Types

10.6 km

1.40 km

264 m

237 m

125 m

Surfaces

10.5 km

1.13 km

770 m

237 m

Elevation

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

Highest point (2,260 m)

Lowest point (2,100 m)

Weather

Sunday 31 May

21°C

7°C

16 %

Additional weather tips

Max wind speed: 6.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Middle Bastan Lake – Lower Bastan Lake loop from Col de Portet

Portet Pass

Col du Portet and lakes d'Oule, Bastan, Supérieur

View of the Lac de l'Oule Dam

Middle Bastan Lake

Bastan Refuge

Upper Bastan Lake

Upper Bastan Lake

Lower Bastan Lake

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