OS Terrain 50 DTM

Ordnance Survey’s OS Terrain 50 DTM is a dataset representing the physical shape of the real world. The dataset includes 50metre GRID. The DTM data is captured from Ordnance Survey’s large scale aerial imagery. The product is updated and maintained annually.

A free to use topology GIS dataset, to help you visualise simple landscapes in 3D and bring your geographic analysis to life.