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Jimmy's Cave

Jimmy's Cave

New South Wales, Australia

Depth
Depth Icon

45m

Visibility
Visibility Icon

- - -

Entry
Unknown Entry Icon

Unknown

Experience Level

Experienced

Jimmy's Cave

New South Wales, Australia

Jimmy's Cave
Depth
Depth Icon

45m

Visibility
Visibility Icon

- - -

Entry
Unknown Entry Icon

Unknown

Experience Level

Experienced

About Jimmy's Cave
The reef drops down to 16m with small walls that end in boulders where the cave lies at 25m. It plunges vertically through the tunnel in a westerly direction down to 35m and is large enough to move through. At 37 the portal into the Ballroom (like the Cathedral in Sydney) At 28 here there's another exit that heads up to 20 which you can go in or around. Head west from here to the Trench. This large gutter heads down for 28m and 50 across (N-S) Head over the boulders to the coral tree and you'll se a drop off to 37m 22 min in now and the return is marked along the Trench top as you climb to 12m lots to see on your deco stop.

Jimmy's Cave Dive Info

Terrain & Features

Wall, Cave, Reef

Entry Type

—

Max Depth

45m

Visibility Range

— – —

Experience Level

Experienced

Best Gas Mix

21% – 25%

O2
CNS Load (20 min)

13% at 43m / 26%

O2
Multi-Level Dive Planner
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Marine Life
  • Combfish
  • Leatherjackets
  • Mados
  • Red Morwong
Weather Conditions

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Dive Operators near Jimmy's Cave

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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.

  • Remote Silt Disturbance — Silt can be disturbed metres away from the source.

  • Rapid Stress Escalation — Stress can increase sharply when visibility or navigation degrades.

  • High Cognitive Load Navigation — Complex passages increase mental workload even on a line.

  • 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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