National Base Map: Greyscale Topographic Imagery for Australia and External Territories
Updated 1mo ago
3filesWMTS
Available on 1 platform
Sign in to view source links and access this dataset
Description
A seamless greyscale topographic map service for the whole of Australia, including the external territories of Cocos (Keeling) Islands, Christmas Island, Norfolk Island, and Lord Howe Island. The service is produced for the National Map project, combining Geoscience Australia data at smaller scales with OpenStreetMap data at larger scales. It was last updated on 2026-05-26.
Use Cases
Create basemaps for thematic overlays based on the seamless greyscale topographic data.
Perform spatial analysis at varying scales based on the layer scale dependencies.
Develop web mapping applications using the WMTS service format for Australia and its external territories.
Strengths
Covers the entire landmass of Australia and its external territories.
Integrates data from authoritative (Geoscience Australia) and community (OpenStreetMap) sources.
Service was last updated on 2026-05-26.
Limitations
Row count and dataset size are unknown, which may limit suitability assessment.
Column-level documentation is absent; field semantics must be inferred after download.
The description metadata is limited; actual data quality and resolution require manual inspection.
Provenance
Source
Geoscience Australia Data
Collection Method
Produced for the National Map project, combining Geoscience Australia and OpenStreetMap data.
Freshness
Last updated 2026-05-26 19:12:12.572333; freshness should be verified.
Geography
Australia, Cocos (Keeling) Islands, Christmas Island, Norfolk Island, Lord Howe Island