Gascoyne Marine Park is valued for its regionally important seafloor features. This includes the nationally unique Exmouth Plateau which is believed to modify deep-water flow and be associated with the generation of internal tides, bringing cooler and more nutrient-rich waters to the surface. Here, these nutrients help in supporting continental slope demersal fish communities that are among the most diverse known in Australia.

The park is located 20 kilometres off the west coast of the Cape Range Peninsula, immediately adjacent to the Ningaloo Marine Park. It covers 81,766 square kilometres and has National Park, Habitat Protection and Multiple Use zones.Parks Australia

Gascoyne ranges from 31 to 5,696 metres depth, with an average depth of 3,327 metres. The majority of the park (51%) falls within the abyssal zone (4,000-6,000 metres). [View on map] The mapped areas of the seafloor are dominated by Plane (53%) and Slope (23%) 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 Gascoyne 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.


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% of coverage (relative to total region area)


Resolution Area (km²) Mapped (%)
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Habitat Observations

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

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Data Quality

What's in the Gascoyne marine park?

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


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Pressures & Activities