- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°32'1"N 3°3'37"W
- Eastings/Northings: 331476, 515910
- OS Grid: NY314159
- Mapcode Local: GBR 7J20.6J
- Mapcode Global: WH70M.Y9SN
Location and coordinates are for the approximate centre of Thirlmere within this administrative area.
Geographic features and populated places may cross administrative borders.