- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°4'20"N 0°44'6"W
- Eastings/Northings: 486794, 242306
- OS Grid: SP867423
- Mapcode Local: GBR CZY.0YV
- Mapcode Global: VHDT1.65QQ
Location and coordinates are for the approximate centre of Tongwell Lake within this administrative area.
Geographic features and populated places may cross administrative borders.