Carrière de Denée
Cave and quarry diving in Wallonia · about 10 km from Yvoir
- Max depth
- unknown
- Type
- Not known yet
- Certification (estimate)
- Full cave
Flooded underground quarry ('carrière souterraine' per the UBS). The WGD cave-diving working group of the Flemish federation VVS also dives here.
More about Carrière de Denée
Signed-in divers also see:
- Whether this site fits everyone's certification, gas and gear
- Access, parking and the route from the road
- Exact map pin and navigation
- Depth profile and sumps
- Configuration advice
- Warnings with sources (1)
- DPV suitability
- Driving times from your stay and a plan with the AI instructor
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Current conditions
Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:
- UBS – Commission Plongée Souterraine ↗
Cave-diving commission of the Belgian caving federation: rules, mandatory kit, keys.
- VVS – Werkgroep Grotduiken (WGD) ↗
Flemish caving federation with its own cave-diving working group; issues its own cave keys.
- Société Spéléologique de Namur (SSN) – blog ↗
Caving club with its own cave divers; reports and surveys of Belgian sumps.
- CP-Rhisnes (Centre de Plongée de Rhisnes) ↗
Facebook group of the Rhisnes dive club.
Plan a cave diving trip to Wallonia
Enter your team, with certifications, gas and configurations, and see right away which caves fit. With driving times from your stay, fill stations and an AI instructor who thinks along.
Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from public sources: the UBS (Union Belge de Spéléologie) and its rules for cave-diving sites, the VVS, the CWEPSS, S. Delaby on the history of Belgian cave diving, Geoparc Famenne-Ardenne, showcaves.com, the Société Spéléologique de Namur, Nérée Diving, R.C.A.S., scubago, OpenStreetMap, GeoNames and Wikipedia (September 2026). Map pins come from OpenStreetMap; the Trou du Diable pin is a likely but unconfirmed location, and Bauche and the two Warnant quarries have no pin yet. Depth and layout of the UBS quarries and Rhisnes are not published. ~ = estimate. Rules and opening hours change — check locally.