The statutory main river map is a 1:10,000 scale spatial (polyline) dataset that defines statutory watercourses designated by Natural Resources Wales as main rivers. The data is for Wales only. 'Main rivers' are usually larger streams and rivers, but some of them are small watercourses of significance. They include certain structures that control or regulate the flow of water in, into or out of the channel.

Attribution statement

Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number 100019741. Crown Copyright and Database Right.


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Appears under
Water Spatial data

Description Type Endpoint
Web Map Service (WMS) WMS http://lle.gov.wales/services/wms/nrw (inspire-nrw:NRW_MAIN_RIVERS)
Web Feature Service (WFS) WFS http://lle.gov.wales/services/wfs/nrw (inspire-nrw:NRW_MAIN_RIVERS)