The Top 20 Caves in the Ardennes
Looking to visit a cave in the Ardennes on your next adventure? To help you better plan your next outdoor experience, we’ve collected Ardennes’s 20
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 26, 2025
Isbelle Karst Spring
Highlight • Natural Monument
The Karst spring of the Isbelle
When the stream "l'Isbelle" comes from an impenetrable layer of sandstone on the limestone ridge, downstream from
from the hamlet of Melines, she disappears. …
When the stream "l'Isbelle" comes from an impenetrable layer of sandstone on the limestone ridge, downstream from
from the hamlet of Melines, she disappears. …
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Porte Aïve Cave
Highlight • Cave
The cave of "Porte Aïve" (meaning "the lofty gate") is located on the right bank of the Isbelle stream, a tributary of the Ourthe. This cave is a very interesting …
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Chassepierre
Highlight • Settlement
Chassepierre owes its origins to the Latin expression Casa Petrea which means Stone House. Surrounded by the Semois, Chassepierre is part of the Plus Beaux Villages de Wallonie and seduces with its old houses in an idyllic setting.
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Fairies' Cave
Highlight • Cave
They are natural sandstone caves and also, according to legend, the home of fairies.
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Le Trou des Fées and Old Mill Ruins of Chassepierre
Highlight • Cave
Extraordinary vestige of the Tertiary era, a network of underground galleries dug out by man in the lime tuff (cron).
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