- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°52'12"N 6°24'3"W
- Eastings/Northings: 83890, 5947
- OS Grid: SV838059
- Mapcode Local: GBR BYL0.T1T
- Mapcode Global: VGYC9.0JFF
Location and coordinates are for the approximate centre of Rosevear within this administrative area.
Geographic features and populated places may cross administrative borders.