Great Basses Reef Lighthouse

Great Basses Reef Lighthouse
Great Basses Reef Lighthouse
LocationSouth of Sri Lanka
Coordinates6°10′55.46″N 81°28′58.82″E / 6.1820722°N 81.4830056°E / 6.1820722; 81.4830056
Tower
Constructed1873
ConstructionScottish granite tower
Height37 metres (121 ft)
Shapecylindrical tower with double balcony and lantern
Markingswhite tower and lantern
Power sourcesolar power 
OperatorSri Lanka Ports Authority
Light
Focal height34 metres (112 ft)
Lenshyperradiant Fresnel lens 
Range34 nautical miles (63 km; 39 mi)
CharacteristicFl W 15s.

Great Basses Reef Lighthouse is an offshore lighthouse in the south of Sri Lanka, operated and maintained by the Sri Lanka Ports Authority. It is located on a reef 13 km off the coast of Yala National Park, near Little Basses Reef Lighthouse. It is accessible only by boat. The two Basses lighthouses, 'Great' and 'Little', are among the most famous offshore lighthouses of Asia.