Plynlimon research catchments: catchment boundaries

These catchment boundaries define upland catchments and subcatchments at the headwaters of rivers Upper Hafren (Severn) and Upper Gwy (Wye). They identify the area of study of the Plynlimon research catchment project.



via DGU - Custom query http://data.gov.uk//dataset/76485082-89c1-44df-9c61-f2817e854ed1