- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 57°39'15"N 2°14'3"W
- Eastings/Northings: 386114, 862742
- OS Grid: NJ861627
- Mapcode Local: GBR N8VH.737
- Mapcode Global: WH9N4.NV7Y
Location and coordinates are for the approximate centre of Lyons Den within this administrative area.
Geographic features and populated places may cross administrative borders.