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Aux Roches Nature Reserve – Aigremont Castle loop from Grottes Schmerling

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Hiking trails & Routes

Aux Roches Nature Reserve – Aigremont Castle loop from Grottes Schmerling

Moderate

4.5

(64)

184

hikers

Aux Roches Nature Reserve – Aigremont Castle loop from Grottes Schmerling

04:18

14.6km

410m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 9, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Réserve naturelle Aux Roches

Waypoints

Start point

Bus stop

Get Directions

4.15 km

View of the Meuse River

Highlight • Viewpoint

This accessible and easy path offers numerous views of the Meuse. The landscape changes with the seasons but the panorama is always just as magnificent. Here, we realize that nature can coexist well with urban spaces.

Translated by Google •

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5.60 km

Beautiful Rock

Highlight • Natural Monument

Very nice to have a picnic!

Translated by Google •

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5.61 km

Aux Roches Nature Reserve

Highlight • Natural Monument

The Aux Roches nature reserve is a protected area covering approximately 20 hectares. It is characterized by its impressive limestone formations and steep cliffs. The flora is diverse, including rare …

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6.45 km

Cave With Wooden Bench in Réserve Naturelle Aux Roches

Highlight • Cave

Here, we find a bench under a cave. It's more decorative than functional, so I advise you not to abuse the bench's hospitality and continue your hike!

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9.41 km

Aigremont Castle

Highlight • Castle

According to legend, the name Aigremont was always closely linked to that of Duke Beuve of Aigremont. According to De Schone Historie by knight Malegijs, Beuve was the great-grandfather of the four Heemskinderen, who opposed Charlemagne.

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10.5 km

Old Lime Kiln

Highlight • Monument

12.9 km

View of the Awirs Rocks

Highlight • Viewpoint

The Carrière des Awirs is a popular climbing area with its almost 70 meter high limestone rock walls. Source: ultimatehiking.be/dagtocht-steengroeven-mullerthal-kastelen-langs-maas

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13.1 km

Rock arch formation at Awirs

Highlight • Natural Monument

Be careful: the sides are steeply downhill. The right side of the cave ends directly at a precipice, while the left side offers a passage back to the hiking trail.

Translated by Google •

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14.6 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.16 km

4.50 km

3.11 km

846 m

Surfaces

5.10 km

2.96 km

2.58 km

1.97 km

1.11 km

903 m

Elevation

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

Highest point (170 m)

Lowest point (70 m)

Weather

Monday 17 August

21°C

17°C

76 %

Additional weather tips

Max wind speed: 24.0 km/h

to get more detailed weather forecasts along your route

Comments

February 21, 2025,Awirs (Flémalle) - Réserve Naturelle Aux Rochers & Schmerling grot

@Antoine (Sportw.) nice walk, enjoyed it! 👌

Showing Translation

October 22, 2022,Awirs - (Aux Rochers) - Flémalle

Southwest of Liège lies the low-lying village of Awirs. During this tough Ardennes tour you walk via beautiful narrow and wide forest paths to Flémalle-Haute.

You walk through the Aux Rochers nature reserve towards Flémalle. This industrial town is located on the Maas. Here you walk along high rock walls.

Showing Translation

March 17, 2025,1629. Flémalle

This challenging walk from wgzl today combined with another walk from wgzl 1404 Prayon.
Departed from the municipal park of Flémalle.
This challenging walk goes through beautiful forest paths to Flemalle Haute then on to the lower Awirs through alleys and stairways.
Further up along a very long conveyor belt of 1.8 km from the quarry to the Meuse.
Then …

Showing Translation

May 11, 2024,1629. Flémalle

Beautiful walk from the industrial town of Flémalle. Rough and narrow forest paths, stepped paths and dense grass paths lead to, among other things, the Schmerling caves, the Awirs rocks, a 1.7 kilometer long teansportband that cuts through the landscape and two more castles. Plenty to experience and discover along the way.

Showing Translation

January 28, 2023,Flémalle : Réserve naturelle Aux roches + Aigremont + Chokier

Fairly easy tour.
Without wanting to be slanderous, simply because it is possible that some might think so: there are beautiful corners there 😉

Showing Translation

June 6, 2022,Chokier - Aux Roches et 2 châteaux - Balisé rectangle bleu puis rouge

Mix of the 2 marked walks starting from the church of Chokier.
1 - nature reserve with rocks - blue markup - TOP!
2 - walk of the 2 castles - red markings - more monotonous, long straight lines in the fields

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Aux Roches Nature Reserve – Aigremont Castle loop from Grottes Schmerling

View of the Meuse River

Beautiful Rock

Aux Roches Nature Reserve

Cave With Wooden Bench in Réserve Naturelle Aux Roches

Aigremont Castle

Old Lime Kiln

View of the Awirs Rocks

Rock arch formation at Awirs

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