Ilhéou Pass – Lake Ilhéou loop from Crête du Lys

Routes

Hiking trails & Routes

Ilhéou Pass – Lake Ilhéou loop from Crête du Lys

Moderate

4.8

(18)

265

hikers

Ilhéou Pass – Lake Ilhéou loop from Crête du Lys

02:10

6.47km

330m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Last updated: August 10, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc national des Pyrénées (cœur)

Parc national des Pyrénées (Aire d'adhésion)

Waypoints

Start point

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0 m

Crête du Lys Orientation Table

Highlight • Viewpoint

Magnificent 360° view altitude 2300m

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1.14 km

Ilhéou Pass

Highlight • Mountain Pass

This pass located at 2,256 meters above sea level is a pedestrian pass that connects the valleys of Ilhéou and Estaing.

It is a very vast, green passage offering spectacular …

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3.62 km

Ilhéou Refuge

Highlight • Mountain Hut

The refuge is located at an altitude of 1,988 meters on the banks of the lake of the same name. Located on the GR 10, it is the last refuge …

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3.68 km

Lake Ilhéou

Highlight • Other

The term Ilhéou comes from the Gascon to designate the gap. And judging from the location of the lake, its name is easily understood. Indeed, Lake Ilhéou is nestled in …

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6.47 km

End point

Way Types & Surfaces

Way Types

6.45 km

< 100 m

Surfaces

6.45 km

< 100 m

Elevation