- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 50°13'1"N 5°2'1"W
- Eastings/Northings: 183676, 39652
- OS Grid: SW836396
- Mapcode Local: GBR ZH.BDYV
- Mapcode Global: FRA 08BG.4RR
Location and coordinates are for the approximate centre of Trelissick within this administrative area.
Geographic features and populated places may cross administrative borders.