1:25 000 Scale Colour Raster
1:25 000 Scale Colour Raster is the digital alternative to Ordnance Survey's OS Explorer paper map series for Great Britain available in 10km square tiles. The 1:25 000 Scale Colour Raster’s backdrop can be overlaid with other Ordnance Survey vector products or a customer’s own geographic/business data or used as a standalone map.

Must-have map for hikers and cyclists
1:25 000 Scale Colour Raster is the must-have map in any navigation app or device for hikers and cyclists. It depicts the landscape with detail and clarity that’s unsurpassed at this scale.
Easy software annotation
When you need map extracts for a consultation document, or a magazine for walkers, 1:25 000 Scale Colour Raster TIFF files can be opened and annotated in software like Photoshop and InDesign.
Plenty of places to visit
Tourist and heritage attractions of many types are shown on this mapping, so leisure app users can use it to find their way to a place of interest, whether it breaks up a day’s walking or keeps the kids amused on a rainy day.
Product resolution
660 dpi or 254 dpi
Colour options
Palette of 256 colours
Helping ramblers and landowners
Along with a wide range of rights of way – footpaths, bridleways, National Trails and more – 1:25 000 Scale Colour Raster shows 'access land' that’s open to all. Thanks to this level of detail, visitors can enjoy the countryside and keep out of trouble.
For emergency responders
This map can help you quickly and safely to incidents in remote areas. Field boundaries are included, along with contours, vegetation, scree and shoreline detail.
Access: Download
Data theme: Contextual
Data structure: Raster
Coverage: Great Britain
Scale: 1:25 000
Format: GeoTIFF, TIFF 8-bit LZW compressed, TIFF PackBits compressed
Ordering area: Customisable Area (10 km² tiles)
Publication months: March, June, September, December
OS Data Hub plan: Public Sector Plan, Premium Plan, Energy & Infrastructure Plan
How to get this product
Access to this product is free for Public Sector Geospatial Agreement (PSGA) Members. Find out if you are a PSGA Member or download a sample of 1:25 000 Scale Colour Raster data by accessing the product page on the OS website, which has links to all of the relevant resources. Alternatively, you can try out the full product by applying for a Data Exploration license.
Visualise 1:25 000 Scale Colour Raster data online
This product is available to try out online using one of our three sets of sample data (Exeter, Newport and Inverness) through the OS MasterMap Product Viewer:
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