- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 54°25'45"N 0°32'11"W
- Eastings/Northings: 495032, 504749
- OS Grid: NZ950047
- Mapcode Local: GBR SKP6.MZ
- Mapcode Global: WHGB5.QXNT
Location and coordinates are for the approximate centre of Marnar Dale within this administrative area.
Geographic features and populated places may cross administrative borders.