Name and Location

Poolbeg Lighthouse, also known as the Poolbeg Light, is a small red fixed light located at the outer extremity of the Great South Wall in Dublin, Ireland. The address is South Wall, Co. Dublin, Ireland, and the coordinates are 53°20′31.6″ N, 6°09′04.9″ W (WGS84).

2. Construction and History

The Poolbeg Lighthouse has a long history of marking the end of Dublin's Great South Wall, dating back to the late 18th century. The current structure appears on 19th-century charts, but exact construction details are not documented.

3. Architecture and Materials

No specific information is available about the architecture or materials used in constructing the Poolbeg Lighthouse.

4. Light and Navigation

The lighthouse has a group flashing red light characteristic of one flash plus three flashes every 4 seconds ("Fl (1+3) R 4s"). The range is 10 nautical miles, with a focal plane height of approximately 20 m above high water. The nautical chart reference is Admiralty A 5882.

5. Accessibility and Visiting

The Poolbeg Lighthouse is open to the public via the Great South Wall walkway, offering close-up views of the light. However, the tower interior is not open to visitors. Facilities are limited, with nearest car parking and refreshments available at the entrance to the South Wall.

6. Notable Views and Landscape

The lighthouse offers panoramic views of Poolbeg chimneys, Dublin city skyline, Howth Head, and the Wicklow Mountains on clear days. Regular sightings of seabirds, seals, and occasional dolphins can also be enjoyed.

8. Technical and Operational Details

The lighthouse is fully automated and has a fog signal of 2 blasts every 60 seconds (seamark:fog_signal:group 2, period 60 s). The official reference is Irish Light List "A 5882".

9. Further Information

For more information, please visit the Commissioners of Irish Lights official website at https://www.irishlights.ie or consult Wikipedia at https://en.wikipedia.org/wiki/Poolbeg_Lighthouse.