Perth Canyon Marine Park includes the majority of the Perth Canyon, Australia’s largest submarine canyon, which is home to the largest feeding aggregations of blue whales in Australia. Perth Canyon was shaped by the ancient Swan River system on land, and today links the shelf to deep-water ecosystems.

Perth Canyon is located 19 kilometres west of Rottnest Island, offshore from Perth. It covers 7,409 square kilometres, and has National Park, Habitat Protection and Multiple Use zones.Parks Australia

Perth Canyon ranges from 141 to 4,810 metres depth, with an average depth of 2,399 metres. The majority of the park (38%) falls within the lower-slope zone (2,000-4,000 metres). [View on map] The mapped areas of the seafloor are dominated by Slope (40%) and Plane (34%) geomorphology. [View on map]

All data
Public/analysed data
Coverage and accessibility of bathymetry (AusSeabed) and habitat observations (SQUIDLE+; green, GlobalArchive; purple, and MARS database; orange) for selected region.

What's known about the Perth Canyon marine park?

The current state of research knowledge (bathymetry, physical and biological observations, seafloor habitat maps) for this region.
Habitat and bathymetry summaries last refreshed April 2024. Habitat observations are refreshed weekly from data providers.


Habitat Area (km²) Mapped (%)
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% of coverage (relative to total region area)


Resolution Area (km²) Mapped (%)
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% of coverage (relative to total region area)

Habitat Observations

  • 0 imagery deployments (0 campaigns)
  • 0 video deployments (0 campaigns)
  • 0 sediment samples (0 analysed) from 0 surveys

Research Effort

Data Quality

What's in the Perth Canyon marine park?

Underwater imagery from this region, and pressures and activities occurring here.


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Pressures & Activities