Official tourism page listing fish species in the lake and the local permit requirements for the area.
Belgium
Freshwater lake training dive with rope course and fish-rich margins.
Freshwater lake training dive with rope course and fish-rich margins.
Bütgenbach Stausee is a beginner-friendly freshwater lake dive in front of the dam, reached by a short path and steps down to a shallow west-shore entry. Divers follow a rope-linked underwater course with rings, a catamaran, pipes, and a sunken sailboat, while the dam wall itself stays off-limits. It is a permit-based shore dive with limited infrastructure and often weak visibility, so it works best as a controlled training dive or easy local day out.
Site Conditions
Safety Notes
Stay at least 50 m from the dam wall, use a buoy because sailboats can use the reservoir, and keep the entry zone disciplined.
Access Restrictions
A diving permit is required and the dam wall buffer must be respected; the wall itself is off-limits for diving.
Legal Notes
Buy the local permit through Worriken or Tourist Info Bütgenbach and follow the reservoir buffer rules around the dam wall.
Community notes to help plan your visit.
Scuba Diving
Easy shore-entry freshwater scuba with a marked training course, submerged obstacles, and fish-rich margins.
Freediving
Not a strong freedive site; the interesting features are better appreciated on scuba.
Snorkeling
Possible only in the shallow upper layer on calm days, but visibility often limits the payoff.
Species commonly reported at this site, with direct links into their wildlife guides.
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Last Updated
Research Sources
Official tourism page listing fish species in the lake and the local permit requirements for the area.
Official permit document naming Worriken and Tourist Info Bütgenbach as access points for local cards and licences.
Community dive report covering the permit process, dam-wall buffer, steps down to the entry, sailboat traffic, and underwater course.
Site overview with the lake layout, entry characteristics, fish species, visibility, and beginner-friendly framing.

Indoor training pool in Dison.

Blausteinsee is a cold-water shore lake with platforms and sunk objects.

Indoor training pool, closed until summer 2027.