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OS Terrain 50 support

OS Terrain 50 is a digital terrain model of the landscape, available as a gridded digital terrain model and in 10m contours with spot heights.

Getting started

OS Terrain is the name given to Ordnance Survey’s new range of height products.

User guide and technical specification (PDF)

This user guide is designed to provide an overview of OS Terrain 50 and it gives guidelines and advice on how a customer might derive the maximum benefit from the product.