- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 55°18'24"N 3°32'14"W
- Eastings/Northings: 302500, 602500
- OS Grid: NT025025
- Mapcode Local: GBR 37Q2.YF
- Mapcode Global: WH5VD.MWP1
Location and coordinates are for the approximate centre of Tarnis Burn within this administrative area.
Geographic features and populated places may cross administrative borders.