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Le Ressel

Le Ressel

Midi Pyrenees, France

Depth
Depth Icon

78m

Visibility
Visibility Icon

10m - 30m

Entry
Boat Entry Icon

Boat

Experience Level

Advanced

Le Ressel

Midi Pyrenees, France

Le Ressel
Depth
Depth Icon

78m

Visibility
Visibility Icon

10m - 30m

Entry
Boat Entry Icon

Boat

Experience Level

Advanced


About Le Ressel

This site is a large underwater river that has clear waters and good visibility. There is no marine life but it is an exciting dive. It is advised for advanced divers only due to depths of the waters.

Le Ressel Dive Info

Terrain & Features

Inland, Deep, Other, Drift

Entry Type

Boat

Max Depth

78m

Visibility Range

10m 30m

Experience Level

Advanced

Best Gas Mix

-1% at 76m / 21%

O2
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Marine Life

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Location

Dive Site Hazards

  • Thermocline Buoyancy Shift — Sharp thermoclines can cause sudden buoyancy changes.

  • Instant Visibility Collapse — Sediment disturbance can eliminate visibility immediately.

  • Late Detection of Structures — Submerged structures may only appear at very close range.

  • 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.

  • Eddy Pull-Off Zones — Eddies behind structures can pull divers away from the main drift line.

  • Delayed Surface Pickup — Strong current can exceed surface tracking assumptions, delaying boat pickup.

  • Vertical Current Shear — Currents may vary by depth, causing vertical separation even when divers stay together.

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