Trwyn Du Lighthouse
Trwyn Du Lighthouse | |
| Location | Penmon Anglesey Wales United Kingdom |
|---|---|
| Coordinates | 53°18′47″N 4°02′26″W / 53.312994°N 4.040630°W |
| Tower | |
| Constructed | 1838 |
| Built by | James Walker |
| Construction | stone tower |
| Automated | 1922 |
| Height | 29 m (95 ft) |
| Shape | cylindrical tower with balcony and lantern |
| Markings | white and black bands tower, white lantern |
| Operator | Trinity House |
| Heritage | Grade II* listed building |
| Fog signal | None. |
| Light | |
| Focal height | 19 m (62 ft) |
| Lens | 1st Order catadioptric fixed |
| Intensity | 3,088 candela |
| Range | 12 nmi (22 km) |
| Characteristic | Fl W 5s. |
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Trwyn Du Lighthouse, also known as Penmon Lighthouse, is a lighthouse between Black Point near Penmon and Ynys Seiriol, or Puffin Island, at the eastern extremity of Anglesey, marking the passage between the two islands.