Carière de Maffle

Central Belgium, Belgium

Depth

30m

Visibility

5m - 15m

Entry

Boat

Experience Level

Beginner

Carière de Maffle

Central Belgium, Belgium

Depth

30m

Visibility

5m - 15m

Entry

Boat

Experience Level

Beginner

About Carière de Maffle

This lake was formerly known as The Stone Quarry Blue. Its a small lake with steep entries. It has a descending wall with large amounts of marine plants. The lake also has abundant freshwater fish. A great spot for a night dive or dive training.

Carière de Maffle Dive Info

Terrain & Features

Deep, Other, Wall, Night

Entry Type

Boat

Max Depth

30m

Visibility Range

5m – 15m

Experience Level

Beginner

Best Gas Mix

21% – 35%

O₂

CNS Load (25 min)

16% at 28m / 36%

O₂

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Marine Life

Carps
Perch
Tench
Zander

Weather Conditions

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Dive Operators near Carière de Maffle

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Location

Dive Site Hazards

Gradual Narcosis Onset — Narcosis may develop slowly, making self-assessment unreliable.
Task Fixation at Depth — Cognitive narrowing at depth can reduce awareness of time and ascent rate.
Increased Gas Density Breathing Load — Higher gas density at depth increases work of breathing.

Unstable Visual Ascents — Relying on wall visuals can destabilise ascents.

Gradual Depth Creep — Lack of visual bottom reference can cause unnoticed descent.

Unsignalled Downcurrents — Downcurrents can form without visible indicators.

Landmark Misidentification — Familiar sites can become unrecognisable at night.

Light-Induced Tunnel Vision — Focused light beams reduce peripheral awareness.

Depth Perception Errors — Reduced ambient light increases depth perception mistakes.

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