The climbing site is situated in a former quarry that is still the private property of the company CARMEUSE, but is no longer active.
The first official climbing activities in this quarry took place in 1989 when the Club Alpin Belge de Liège got permission from the owner. Explosives were used to exploit the quarry, resulting in quite unstable butresses. A lot of work has been done to make climbing possible. Even today, these works are still ongoing, trying to secure some portions that will not (necessarily) be climbed but are located above sectors with climbing routes.
Be aware that the buttresses outside the climbing sectors are unstable and you should not try to climb outside the official routes.
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Loose stones can fall especially by abseil or lower-off, so a helmet is highly recommended.
Camping is not authorized in the quarry.
The whole quarry is surrounded by a fence with only some entrances only for pedestrians. It is possible to go all around the quarry using a small walking path.
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At the Northside of the quarry, you can find caves where remnants of 3 Neanderthal men and also other bones from Homo Sapiens were discovered by Dr. Schmerling in 1829. In 2021, the remains were dated back to 44.200 to 40.600 cal B.P (radiocarbon).
The caves are classified as heritage and are strictly forbidden for climbers and visitors. Climbers have to respect this prohibition or the authorities could ban all climbing activities.
You can find a general map of the quarry below, or under "photos".
Face Nord:
Les Awirs Nord offers a shady overhanging face.
The crag is best enjoyed by the 6th and 7th grade climber.