- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 50°44'58"N 4°36'34"W
- Eastings/Northings: 216003, 97675
- OS Grid: SX160976
- Mapcode Local: GBR N7.23RN
- Mapcode Global: FRA 1773.80Z
Location and coordinates are for the approximate centre of Tresmorn within this administrative area.
Geographic features and populated places may cross administrative borders.