The Top 14 Caves around Blegny
Looking to visit a cave around Blegny on your next adventure? To help you better plan your next outdoor experience, we’ve collected Blegny’s 14
best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.
best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.
Last updated: October 28, 2025
Thier des Vignes Flint Caves
Highlight • Cave
These are very old flints, protected in the Natagora site. No fewer than 13 cave entrances follow one another along the path. They are not deep and run along the slope. Chalk was also mined there.
Source: mini-ardenne.be/poi.card.php?id=6036&language=fr
Source: mini-ardenne.be/poi.card.php?id=6036&language=fr
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Rijckholt Prehistoric Flint Mine
Highlight • Historical Site
Here are prehistoric flint mines. About 6,000 years ago, people here made utensils and arrowheads from flint.
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Heyoule Nature Reserve
Highlight • Natural
The underground tunnels made of tuff and flint, a refuge for the inhabitants during the wars, are inhabited by several colonies of bats during the winter. But thanks to the …
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Sentier des Meuniers in Réserve Naturelle Heyoule
Highlight (Segment) • Trail
Partly normal path and then a hollow road with a fairly steep drop that follows the dry valley through the Heyoule nature reserve (see the highlight). The ideal habitat for …
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Casino Grotto, Parc de la Chartreuse
Highlight • Cave
Unexpected place in the middle of the park, next to a viewpoint over the city (see if we will still see this far once the trees have turned green ...), …
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