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North Lump

Perth, Australia
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★ 4.0 (1 review)
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Advanced

Deep limestone reef with caves, swim-throughs, and nurse sharks.

Boat Access
24m Avg Depth
32m Max Depth

About this dive site

This dive site is a spectacular limestone reef system off Rottnest Island, famous for its intricate caves, large swim-throughs, and dramatic ledges. The complex topography creates a stunning underwater landscape and provides shelter for a high diversity of marine life. It is particularly renowned as a winter aggregation site for Grey Nurse Sharks.
Diving

Site Ratings

Big Marine Life Very Good
Macro Marine Life Very Good
Landscape Quality Excellent
Water Visibility Very Good Viz

Plan Your Visit

sharkcavernswim-throughwall diveadvanced onlyboat divewide angleaustraliaperth

Marine Life

Grey Nurse SharkWestern Blue DevilHarlequin FishWestern Rock Lobster (crayfish)schooling bullseyesnudibranchsspongessoft corals

Things to Note

Difficulty:

Advanced

Deep profile (30m+), potential strong currents, and overhead environments.

Hazards:
currentdepthoverhead environmentsboat traffic
Current Strength:

Variable

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