Great Carn, Isles of Scilly

• Parish/Community: St. Martin's
• Unitary Authority: Isles of Scilly
• Region: South West

• Category: Water Feature
• Type: Island

• Latitude/Longitude: 49°57'32"N 6°15'41"W
• Eastings/Northings: 94456, 15247
• OS Grid: SV944152
• Mapcode Local: GBR BXXS.QMV
• Mapcode Global: VGYBZ.F928

Location and coordinates are for the approximate centre of Great Carn within this administrative area. Geographic features and populated places may cross administrative borders.