Rock Arch

Queensland, Australia

Depth

25m

Visibility

- - -

Entry

Boat

Experience Level

Unknown

Rock Arch

Queensland, Australia

Depth

25m

Visibility

- - -

Entry

Boat

Experience Level

Unknown

About Rock Arch

Rock Arch is located to the south of Flinders Reef. More than 30 minutes by boat to get to this site. This is another deep site with maximum of 510 meters depth. This sites consists of an amazing wall with lots of caves cut along it. One can expect to find Grey Reef Sharks, Whitetip Reef sharks, trevally, surgeonfish, unicornfish, butterflyfish, Fairy Basslets and few more interesting marine lives around this site.

Rock Arch Dive Info

Terrain & Features

Reef, Cave

Entry Type

Boat

Max Depth

25m

Visibility Range

— – —

Experience Level

Unknown

Best Gas Mix

21% – 40%

O₂

CNS Load (35 min)

16% at 23m / 36%

O₂

Multi-Level Dive Planner

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Marine Life

Butterflyfish
Fairy Basslets
Grey Reef Sharks
Surgeonfish
Trevally
Unicornfish
Whitetip Reef Sharks

Weather Conditions

Water Temperature ℃

Dive Operators near Rock Arch

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Location

Dive Site Hazards

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.

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.

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