National Base Map: Greyscale Topographic Maps of Australia

Australia's external territories of Cocos (Keeling) Islands, Christmas Island, Norfolk Island, and Lord Howe Island are included in this seamless greyscale topographic map service. It is produced for the National Map project, combining Geoscience Australia data at smaller scales with OpenStreetMap data at larger scales. The service contains layer scale dependencies.

Use Cases

• Create basemaps for thematic overlays based on the seamless greyscale topographic data.
• Develop location-aware applications for the Australian continent and its external territories.
• Perform spatial analysis using the integrated data from Geoscience Australia and OpenStreetMap.

Strengths

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

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

Geoscience Australia Data

Collection Method

Produced for the National Map project, combining Geoscience Australia and OpenStreetMap data.

Freshness

Last updated 2026-05-31 01:19:23.656639; freshness should be verified.

Geography

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