- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 54°59'52"N 1°59'41"W
- Eastings/Northings: 400431, 567032
- OS Grid: NZ004670
- Mapcode Local: GBR GBHN.X6
- Mapcode Global: WHB27.BMBX
Location and coordinates are for the approximate centre of Hollywell Dene within this administrative area.
Geographic features and populated places may cross administrative borders.