Eau d'Heure Lakes and Southern Wallonia

Before the Dive

• Confirm the current CPBEH authorized Zone A or Zone B boundary, actual depth, dive-plan approval and permitted operating hours.
• Arrange an appropriately certified buddy/team, designated leader, surface rescue cover, emergency oxygen and a working phone. CPBEH explicitly says visiting groups manage their own safety.
• Comply with the current reservation procedure and register at the desk before entry; do not bypass the dive center.
• The current site states ordinary dives max one hour including stops; its separate Zone B instructions specify 45 minutes max and require an SMB for open-water ascents in sailboat areas.
• Do not cross the reservoir or enter the far bank except by the authorized CPBEH boat.
• Manage thermal exposure, variable freshwater visibility, depth limits and no-decompression conservatism according to training.

CPBEH procedures, organization, boat rules.

Decompression and Emergency Care

Safety-critical update as of 28 October 2026: HUmani announced the suspension of hyperbaric treatment at Andre Vesale Hospital in Montigny-le-Tilleul from 31 July 2026. Its older service webpage and various dive-club emergency sheets still describe a working chamber, so those documents are not current chamber-availability proof. Belgium's Defence reported a modernized hyperbaric capability at the Military Hospital Reine Astrid in Brussels in July 2026, but treatment access, triage and transfer logistics require emergency-medical coordination. Do not self-drive to a chamber or assume that a particular hospital can accept you.

Call 112 for suspected decompression illness, arterial gas embolism, drowning, severe injury or any urgent symptoms. Tell responders the dive timing/profile, symptoms, CPBEH address rue d'Oupia 2, Froidchapelle, and operator safety marker PT09A. Follow professional instructions on oxygen, positioning and transfer. DAN Europe maintains an emergency dive-medicine hotline at +39 06 4211 5685 for member support; local emergency services take precedence for life-threatening cases. HUmani suspension, Belgian Defence, DAN, Belgian 112.

Stay inside CPBEH authorized dive zones and official bathing areas. Respect buoys, swimming flags, fishing and sailing lanes, bank barriers and reservoir operations. Do not feed, handle or remove pike, perch, zander, mussels or other freshwater life, and do not disturb the artificial dive objects or plants. Follow the facility's no-barbecue, no-camping and waste rules, which are separate from wider lakeside visitor facilities. Wallonia tests official bathing water and can temporarily prohibit entry because of poor water quality, storm runoff or cyanobacteria. Avoid washing equipment with detergents at the shore; rinse or service it only at permitted facilities. CPBEH rules, Wallonia bathing oversight, lake safety.