Le Four lighthouse is a dungeon-shaped tower, located off the Saint-Laurent fore land on Porspoder city limits.
It is also known as "Four d'Argenton" lighthouse. It was built on a granite rock, measured at 11,50 meters height (38 feet) and 25 meters diameter (82 feet).
It is a sea "marking" lighthouse, dominating the Four channel, a path between Manche and Iroise seas.
Keepers consider it as a "hellish" assignment.
Source Wikipédia
Position |
48°31'24" N - 4°48'19" W
|
Location |
Rorspoder
|
Building in |
1869 to 1874 |
Height |
31 meters (102 feet)
|
Elevation |
31 meters (102 feet)
|
Reach |
24,5 nautical miles (28 miles) |
Light signal |
5 white flashes, 15 seconds interval |
Optics |
Fresnel lens |
Lamp |
halogen , 250 W
|
Sound signal |
5 sounds ( 3 & 2) , 60 seconds interval |
Visitors allowed |
No
|
Inhabited |
Yes |
Automated |
1993 |
Screenshots (click thumbnail to enlarge) - Le Marignan trawler, courtesy of Mitsuya Hamaguchi
 
 
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