Grinna Lighthouse (Norwegian: Grinna fyr) is a coastal lighthouse in the municipality of Nærøysund in Trøndelag, Norway. It was established in 1904 and automated in 1987.[1] Grinna lighthouse stands on the islet of Grinna in the South Gjæslingan island group on the north side of the Foldafjord. The 19-metre (62 ft) high red tower emits a light every six seconds. The white occulting light flashes every six seconds, and it can be seen for about 12.5 nautical miles (23.2 km; 14.4 mi).[2][3]
View of the lighthouse | |
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| Location | Trøndelag, Norway |
|---|---|
| Coordinates | 64°45′15.8″N 10°58′30.1″E |
| Tower | |
| Constructed | 1904 |
| Foundation | Stone |
| Construction | Cast iron tower |
| Automated | 1987 |
| Height | 19 metres (62 ft) |
| Shape | Cylindrical tower |
| Markings | Red |
| Power source | solar power |
| Light | |
| First lit | 1987 |
| Focal height | 23 metres (75 ft) |
| Range | 12.5 nmi (23.2 km; 14.4 mi) |
| Characteristic | Oc WRG 6s |
| Norway no. | 529500 |