- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°56'27"N 4°33'2"W
- Eastings/Northings: 220887, 118828
- OS Grid: SS208188
- Mapcode Local: GBR K2.P0YQ
- Mapcode Global: FRA 16CM.6X7
Location and coordinates are for the approximate centre of Knaps Longpeak within this administrative area.
Geographic features and populated places may cross administrative borders.