Flannan Isles Lighthouse
The Chapel of St. Flannan can be seen on the slope to the right of the lighthouse on Eilean Mòr. | |
| Location | Eilean Mòr 32 kilometres (20 mi) west of Lewis Western Isles Scotland |
|---|---|
| OS grid | NA7266746884 |
| Coordinates | 58°17′17″N 07°35′17″W / 58.28806°N 7.58806°W |
| Tower | |
| Constructed | 1899 |
| Designed by | David Alan Stevenson |
| Construction | masonry tower |
| Automated | 1971 |
| Height | 23 metres (75 ft) |
| Shape | cylindrical tower with balcony and lantern attached to 1-storey keeper's house |
| Markings | White tower, black lantern, ochre trim |
| Operator | Northern Lighthouse Board |
| Heritage | category B listed building |
| Racon | MMSI No : 992351080 |
| Light | |
| First lit | 15 December 1900 |
| Focal height | 101 metres (331 ft) |
| Lens | 3rd order clamshell Fresnel lens |
| Light source | Electric Rotating Solar Powered Metal Halide Optic |
| Range | 20 nautical miles (37 km; 23 mi) |
| Characteristic | Fl(2) W30s 101m 20M (Fl.0.2s-ec.5.8s, Fl.0.2s-ec 23.8s) |
Flannan Isles Lighthouse is a lighthouse near the highest point on Eilean Mòr, one of the Flannan Isles in the Outer Hebrides off the west coast of Scotland. In 1900, its three keepers disappeared in mysterious circumstances.