L'Arche du Lion de Mer

Dordogne, France

Depth

45m

Visibility

9m - 26m

Entry

Boat

Experience Level

Beginner

L'Arche du Lion de Mer

Dordogne, France

Depth

45m

Visibility

9m - 26m

Entry

Boat

Experience Level

Beginner

About L'Arche du Lion de Mer

This dive site consists of interesting diving at shallow depths for the beginner divers while allowing for more exploration at lower levels for the more experienced divers. At about 8 meters you will find a small arch which then leads to some boulders as the bottom slopes to 18 meters. There are also a series of walls on the southern side of the dive site.

L'Arche du Lion de Mer Dive Info

Terrain & Features

Wall, Reef

Entry Type

Boat

Max Depth

45m

Visibility Range

9m – 26m

Experience Level

Beginner

Best Gas Mix

21% – 25%

O₂

CNS Load (20 min)

13% at 43m / 26%

O₂

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Marine Life

Various

Weather Conditions

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Location

Location details missing.

Dive Site Hazards

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.

Hidden Depth Variations — Complex reef topography can conceal depth changes, leading to unintended profile variations.

Distraction from Marine Activity — High fish activity can distract divers and delay depth or gas awareness.

Rapid Surge Direction Changes — Surge near reef structures can reverse direction quickly, pushing divers sideways into unexpected areas.

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