
OS – Ordnance Survey
Ordnance Survey (OS) is responsible for the national surveying of Great Britain (England, Scotland & Wales). The organisation records and maintains detailed geographic location information within a unique map.

OS leisure maps
We have integrated the following scales from OS into the topo layer :
- 1:25,000
- 1:50,000
- 1:250,000
- 1:500,000

OS Explorer – 1:25,000
The Explorer Map has been specially developed for hikers and cyclists, it covers almost all of Great Britain with the exception of the Isle of Man. This series of maps displays all paths and landscape details as well as tourist information.
OS Landranger – 1:50,000
The Landranger Map series is Ordnance Survey's multi-purpose map.