Greyscale Topographic Basemap for Australia and External Territories

Australia's National Map project provides seamless greyscale topographic mapping covering the entire continent and external territories like Cocos Islands and Norfolk Island. The service integrates Geoscience Australia data for smaller scales and OpenStreetMap data for larger scales. It was last updated in April 2026 by the Australian Ocean Data Network.

Use Cases

• Integrate the WMTS layer scale dependencies for dynamic map rendering in web GIS applications.
• Analyze topographic features across Australia and its external territories using the seamless greyscale map service.
• Combine Geoscience Australia data at small scales with OpenStreetMap data at large scales for multi-resolution spatial analysis.

Strengths

• Covers the entire Australian continent and four external territories.
• Integrates data from authoritative sources (Geoscience Australia) and community data (OpenStreetMap).

Limitations

• Specific row counts, column structures, and data size are unknown.
• The service contains layer scale dependencies which may complicate direct data extraction.

Provenance

Source

Australian Ocean Data Network for the National Map project.

Collection Method

Integration of Geoscience Australia and OpenStreetMap data.

Freshness

Last updated in April 2026.

Geography

Australia, Cocos (Keeling) Islands, Christmas Island, Norfolk Island, Lord Howe Island.