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Wallonia · about 3 km from Yvoir

Carrière de Bauche (Saint-Laurent)

  • CertificationFull cave
  • SpecialFlooded mine or quarry

Diving and fills

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Fills nearby

  • Fill stationNérée Diving (Namur)~23 min drive (estimate)Air, nitrox, O₂, trimix (200 and 300 bar)Route ↗
  • Fill stationCarrière de Villers-Deux-Églises (V2E)~57 min drive (estimate)Air and nitrox (200, 230 and 300 bar)Route ↗
  • Fill stationDive Factory (Braine-l'Alleud)~75 min drive (estimate)Air, nitrox, trimix, O₂, helium; 200 and 300 barRoute ↗
All fill stations and places to stay ↓

The dive

A former underground quarry, now flooded. Practical: the site is managed by the SCAN caving club (Spéléo Club Alpin de Namur) under agreements with the municipality of Yvoir.

Profile and sections

A former underground quarry, now flooded.

Practical: the site is managed by the SCAN caving club (Spéléo Club Alpin de Namur) under agreements with the municipality of Yvoir. Leisure dives only: no commercial activity, courses or drills. Someone on the surface must know your dive plan and raise the alarm if needed.

Depth and profile
Depth, length and layout not published
Configuration
UBS rules: independent cylinders (sidemount, doubles with the isolator closed, or two unconnected cylinders of equal size), each with its own regulator and SPG. CCR: at least one bailout with a backup inflator and SPG. Helmet, three lights and redundant buoyancy (drysuit or double wing) are mandatory.
DPV: unknown
No data on scooter use or passage size.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
Flooded mine or quarryPermission needed

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

How to get there

Only for UBS members and their guests, or divers from an organisation authorised by the UBS. Book through the SCAN caving club's online form at least two weeks ahead. Max. 4 divers at a time. The site is not padlocked, but UBS rules apply; leave your membership card and authorisation visible on the dashboard.

Plan your route ↗

Around Carrière de Bauche (Saint-Laurent)

Fills3 fill stations · nearest 15 km
  • Nérée Diving (Namur)

    ~23 min drive (estimate)

    Rue Père Cambier 17, 5000 Salzinnes (Namur)

    Air, nitrox, O₂, trimix (200 and 300 bar)

    Mon 11:00–19:00, closed Tue, Wed–Fri 11:00–19:00, Sat 11:00–18:00; Sun: ask

    Dive shop with its own club: weekly quarry dives and pool training, tec diving courses (OC and rebreather: rEvo, Horizon). Walk-in fills for visitors: ask.

  • Carrière de Villers-Deux-Églises (V2E)

    ~57 min drive (estimate)

    Rue des Traigneaux 104A, 5630 Cerfontaine

    Air and nitrox (200, 230 and 300 bar)

    Book via carrierev2e.be; hours and rates on the operator's site

    Open (non-overhead) dive quarry, to ~28 m, with changing rooms and a café. Lines and cenote-style decor are laid out underwater to simulate cave dives without an overhead: good for introduction and practice (following the line blind, jumps) before a cave course.

  • Dive Factory (Braine-l'Alleud)

    ~75 min drive (estimate)

    Chaussée de Tubize 475, 1420 Braine-l'Alleud

    Air, nitrox, trimix, O₂, helium; 200 and 300 bar

    Ask

    Dive shop with gas blending. Second shop in Wezembeek-Oppem (+32 2 353 08 98). CCR supplies (sofnolime): ask.

Where to sleepAround Yvoir on Booking.com ↗

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Caves nearby6 within 58 km

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Sources, sharing and disclaimer

Sources

Current conditions

Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:

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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, scubago, OpenStreetMap, GeoNames and Wikipedia (September 2026). Map pins come from OpenStreetMap; the Trou du Diable pin is a likely but unconfirmed location, 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.