- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°21'14"N 2°45'17"W
- Eastings/Northings: 348694, 273159
- OS Grid: SO486731
- Mapcode Local: GBR BJ.SVXL
- Mapcode Global: VH849.63J5
Location and coordinates are for the approximate centre of Mary Knoll Valley within this administrative area.
Geographic features and populated places may cross administrative borders.