View of the Lac d'Oô waterfall – Lac d'Oô loop from Granges d'Astau

Routes

Running trails & routes

View of the Lac d'Oô waterfall – Lac d'Oô loop from Granges d'Astau

Hard

runners

View of the Lac d'Oô waterfall – Lac d'Oô loop from Granges d'Astau

04:27

24.8km

1,530m

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 23, 2026

Waypoints

Start point

Parking

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73 m

The Granges of Astau

Highlight • Mountain Hut

Busy during the day because of the road, but calms down in the evenings. Dormitories but also double rooms possible. In the evening repas for the hikers like on the …

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3.13 km

View of Lac d'Oô

Highlight • Lake

Hike to the stunning Lac d’Oô, a beautiful glacial lake nestled in the Pyrenees. As you approach the lake, you’ll be treated to breathtaking views of its clear, turquoise waters, …

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3.26 km

Bridge near Lake Oô

Highlight • Other

3.32 km

View of the Lac d'Oô waterfall

Highlight • Viewpoint

Next to the Lac d'Oô bivouac you have the best point of view, the most axial, to admire the Lac d'Oô waterfall.

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3.44 km

Lac d'Oô

Highlight • Lake

Lac d'Oô is a must in the Pyrenees. Perched at 1,507 meters above sea level, this artificial expanse is located on an old glacial lake.

Its emblematic waterfall of 275 …

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4.81 km

Waterfall on the way to Lac d'Espingo

Highlight • Waterfall

Nice waterfall - cools the head in high temperatures

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4.83 km

View of Lac d'Oô and the waterfalls

Highlight • Viewpoint

Some streams have to be crossed on this section of the trail.

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6.12 km

Lake Espingo and Espingo Refuge

Highlight • Lake

Lake Espingo offers a superb setting for a stopover before setting off again towards Lake Portillon. You can admire the peaks of Luchon such as the Tusse de Montarqué or …

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8.50 km

Viewpoint

24.8 km

End point

Parking

Way Types & Surfaces

Way Types