- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°35'54"N 1°59'58"W
- Eastings/Northings: 400118, 522587
- OS Grid: NZ001225
- Mapcode Local: GBR GHG8.VB
- Mapcode Global: WHB45.8P02
Location and coordinates are for the approximate centre of Black Sills within this administrative area.
Geographic features and populated places may cross administrative borders.