- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°1'40"N 1°0'47"W
- Eastings/Northings: 467808, 237080
- OS Grid: SP678370
- Mapcode Local: GBR 9X9.W43
- Mapcode Global: VHDT2.D985
Location and coordinates are for the approximate centre of Octagon Lake within this administrative area.
Geographic features and populated places may cross administrative borders.