Forte La Rocca Lighthouse (Italian: Faro di Forte La Rocca) is an active lighthouse located next to the tip of the promontory of the Argentario on the Tyrrhenian Sea.
 Forte La Rocca Lighthouse | |
 | |
| Location | Porto Ercole Tuscany Italy |
|---|---|
| Coordinates | 42°23′24″N 11°12′45″E / 42.390067°N 11.212413°E |
| Tower | |
| Constructed | 1862 |
| Foundation | masonry base |
| Construction | masonry tower |
| Height | 19 metres (62 ft) |
| Shape | cylindrical tower with balcony and lantern |
| Markings | white tower, grey metallic lantern dome atop a fortification bastion |
| Power source | mains electricity  |
| Operator | Marina Militare[1][2] |
| Light | |
| Focal height | 91 metres (299 ft) |
| Lens | Type TD 375 Focal length: 187,5 mm |
| Intensity | main: AL 1000 W reserve: LABI 100 W |
| Range | main: 16 nautical miles (30 km; 18 mi) reserve: 11 nautical miles (20 km; 13 mi) |
| Characteristic | L Fl WR 7s. |
| Italy no. | 2172 E.F. |
Description
The lighthouse, built in 1862, consists of a cylindrical tower, 19 metres (62 ft) high, with balcony and lantern placed atop the south east bastion of a fortification built by the Aldobrandeschi in the mid 1400. The tower is covered by white mosaic tails made of wind and salt resistant material; the lantern dome is grey metallic. The light is positioned at 91 metres (299 ft) above sea level and emits a long white or red flash in a 7 seconds period, depending from the direction, visible up to a distance of 16 nautical miles (30 km; 18 mi). The lighthouse is completely automated and managed by the Marina Militare with the identification code number 2172 E.F.[2][3]
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