This file contains the digital vector boundaries for National Parks in Great Britain, as at 1 August 2016. The boundaries available are:

Full resolution - extent of the realm (usually this is the Mean Low Water mark but in some cases boundaries extend beyond this to include off shore islands);

Full resolution - clipped to the coastline (Mean High Water mark);

Generalised (20m) - clipped to the coastline (Mean High Water mark);

Super generalised (200m) - clipped to the coastline (Mean High Water mark) and

Ultra generalised (500m) - clipped to the coastline (Mean High Water mark).

Contains both Ordnance Survey and ONS Intellectual Property Rights.

More information is available on ONS Open Geography Portal http://geoportal.statistics.gov.uk/