The boulders that protrude here and there from the grass and appear lost and strange in the marshy surroundings raise the question of their origin. The colors of the stones …

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R.Bungartz

April 30, 2023

Hiking

On this section of the path you can see these large boulders on both sides again and again. These quartzite sandstone blocks were formed 500 million years ago, exposed by erosion and displaced by glacial soil movement. One of the most well-known Vennwacken is Kaiser Karl's bedstead near Mutzenich.

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Peter 🥾🐾🌲

October 25, 2025

Hiking

The trail passes through a landscape that still clearly bears the marks of the last ice age. The Vennwacken are large, rounded boulders of quartzite and other rocks, transported and deposited in the region by ice and meltwater. Along the trail, you can see these boulders, witnesses to the cold climate that prevailed here thousands of years ago. Today, they form a striking contrast with the soft shapes of the current peat and forest landscape of the High Fens. The trail combines geological history with natural beauty and offers a fascinating view of the landscape.

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Details

Informations

Distance 359 m

Downhill 20 m

Weather

Wednesday 11 February

7°C

4°C

98 %

Additional weather tips

Max wind speed: 22.0 km/h

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Location: Malmedy, Verviers, Liège, Wallonie, Wallonia, Belgium

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Section with Vennwacken, witnesses of the last Ice Age

1. Warche Rapids – Bridge over the Bayehon stream loop from Robertville

2. Great panoramic view – Hautes Fagnes Boardwalks loop from Longfaye

3. Great panoramic view – Peat Path loop from Longfaye

Other Popular Places to Check Out

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