- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 57°55'58"N 6°53'14"W
- Eastings/Northings: 110818, 904183
- OS Grid: NB108041
- Mapcode Local: GBR 97DR.L3G
- Mapcode Global: WGX2Y.5WL0
Location and coordinates are for the approximate centre of Bàgh Theilisnis within this administrative area.
Geographic features and populated places may cross administrative borders.