Lower Bastan Lake – Tourmalet Pass loop from Lac de l'Oule

Running trails & routes

Lower Bastan Lake – Tourmalet Pass loop from Lac de l'Oule

Hard

runners

Lower Bastan Lake – Tourmalet Pass loop from Lac de l'Oule

08:47

52.0km

2,630m

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 24, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 24.9 km for 172 m

Closed: • during winter (otherwise open)

Waypoints

Start point

Parking

Get Directions

7.19 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 lake is perhaps the most intimate and exotic of the Néouvielle reserve.

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Tip by

8.35 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 October, continuously.

It offers a 12-seat dormitory as well as a refectory for which we advise you to book in advance on the refuge website: refugedebastan.fr/dates-douverture

However, the refuge remains open out of season (you will need to bring your duvets) to accommodate hikers in need of shelter.

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Tip by

10.2 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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10.7 km

Lac de la hourquette

Lake

13.0 km

Lac de Gréziolles

Highlight • Lake

Lake Gréziolles is a superb lake perched at an altitude of 2,113 meters. Raised by a dam, it is home to many species of fish including brown trout.

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14.7 km

Réservoir des Laquets

Lake

21.8 km

La Mongie

Highlight • Viewpoint

La Mongie is a winter sports resort in the French Pyrenees which offers many accommodation and restaurant options.

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25.1 km

Tourmalet Pass

Highlight • Mountain Pass

The Col du Tourmalet is one of the most legendary in the Pyrenees and the Tour de France. It is the pass that has been used most often in the history of the Tour since its first time in 1910. Culminating at 2,115 meters above sea level, it is also one of the highest. It is reached from Luz-Saint-Sauveur via 19 kilometers at 7.4% or from Sainte-Marie-de-Campan over 17.2 kilometers at 7.37% on average.

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41.1 km

Hourquette Nère Pass

Highlight • Mountain Pass

The Hourquette Nère is a mountain pass which is 2,465 meters above sea level. Located at the foot of the Aygues Cluses peak, it offers a magnificent view of the Bastan and Gourget lakes.

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46.7 km

Lake Oule

Highlight • Lake

Lake Oule, an artificial body of water, is one of the largest in the Néouvielle reserve. His work dates from the interwar period, when the Midi railway company decided to transform a pasture plateau into a water reservoir in order to supply the Eget hydroelectric power station. Its waters come from Lake Oredon through a canal designed to supply the body of water.

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Tip by

52.0 km

End point

Parking

Way Types & Surfaces

Way Types