- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 53°2'20"N 3°18'32"W
- Eastings/Northings: 312326, 349897
- OS Grid: SJ123498
- Mapcode Local: GBR 6S.DDPV
- Mapcode Global: WH77P.4WJ1
Location and coordinates are for the approximate centre of Nant Ty Isa within this administrative area.
Geographic features and populated places may cross administrative borders.