The BGS maps portal
The BGS maps portal provides access to over 45 000 high-resolution viewing images of almost all the small, medium and large scale maps produced by the BGS since mapping started in 1832 right up to the most recent maps released in 2020. It incorporates all the earlier maps and history pages that were previously made available through the BGS ‘Historical maps of the Geological Survey of Great Britain and Ireland’ web resource.

Available data
The BGS maps portal includes:
- 1:10 560 or 1:10 000 large-scale geological maps of England and Wales, and Scotland.
- 1:63 360 or 1:50 000 geological maps of England and Wales and Scotland, and the associated historical horizontal and vertical sections
- 1:63 360 geological maps of the whole of Ireland when it was part of the BGS’s predecessor, the Geological Survey of Great Britain and Ireland (up to 1905)
- a range of geological and thematic maps covering the whole of Great Britain and its offshore areas, including the 1:250 000 UTM series and the associated geophysical maps
- a wide range of non-series, geological, tectonic and UK-wide offshore maps
The portal excludes the detailed Applied Geology Mapping thematic sets.
For further information on these maps, please contact BGS Enquiries visit the BGS Bookshop.