Wallonia · about 4 km from Yvoir
Trou du Diable (Anhée)
- CertificationFull cave
- SpecialFlooded mine or quarry
Diving and fills
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Fills nearby
- Fill stationNérée Diving (Namur)Air, nitrox, O₂, trimix (200 and 300 bar)Route ↗
- Fill stationCarrière de Villers-Deux-Églises (V2E)Air and nitrox (200, 230 and 300 bar)Route ↗
- Fill stationDive Factory (Braine-l'Alleud)Air, nitrox, trimix, O₂, helium; 200 and 300 barRoute ↗
The dive
Trou du Diable is one of the five sites in the UBS rules for cave-diving sites. Elsewhere the UBS calls it a cave, but in the rules it is listed with the quarries.
Profile and sections
Trou du Diable is one of the five sites in the UBS rules for cave-diving sites. Elsewhere the UBS calls it a cave, but in the rules it is listed with the quarries.
Practical: leisure dives only: no commercial activity, courses or drills. Leave the sediment and the permanent lines alone. Night dives and noise are discouraged because of the neighbours.
- 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
- At least Full cave
- Configurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
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 through the UBS: members, their guests or members of an organisation authorised by the UBS. You need a key (via your club, a member of the Commission Plongée Souterraine or the UBS office in Namur). Park on the railway side, on the embankment across the road.
Around Trou du Diable (Anhée)
Fills3 fill stations · nearest 19 km
Nérée Diving (Namur)
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)
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)
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.
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