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Cheminey Rock

Cheminey Rock

Praslin Island, Seychelles

Depth
Depth Icon

41m

Visibility
Visibility Icon

8m - 23m

Entry
Boat Entry Icon

Boat

Experience Level

Advanced

Cheminey Rock

Praslin Island, Seychelles

Cheminey Rock
Depth
Depth Icon

41m

Visibility
Visibility Icon

8m - 23m

Entry
Boat Entry Icon

Boat

Experience Level

Advanced

About Cheminey Rock
N/A

Cheminey Rock Dive Info

Terrain & Features

Wall, Drift, Shark

Entry Type

Boat

Max Depth

41m

Visibility Range

8m – 23m

Experience Level

Advanced

Best Gas Mix

21% – 27%

O2
CNS Load (20 min)

14% at 39m / 29%

O2
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Marine Life
  • Various
Weather Conditions
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Dive Operators near Cheminey Rock
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Location
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.

  • 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.

  • Situational Awareness Loss — Divers may fixate on sharks and lose depth or position awareness.

  • Subtle Behavioural Shifts — Changes in shark behaviour may be missed without active observation.

  • Blue-Water Reference Loss — Lack of visual references increases ascent and descent instability.

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