Poolbeg Lighthouse

History -------- The Poolbeg Lighthouse was first established in 1767, marking an important milestone in the aid to navigation at the mouth of the River Liffey. Initially operating on candlepower, its lighting source was later changed to oil in 1786. A major redesign and rebuilding took place in 1820, transforming it into its current form.

Architecture ------------

The Poolbeg Lighthouse is a notable example of 19th-century lighthouse design. Its construction materials include stone and brick, with a distinctive tower height of approximately 20 meters (66 feet). The focal height, which indicates the maximum distance at which the light can be seen, stands at around 30 meters (98 feet).

Light Characteristics ---------------------

The Poolbeg Lighthouse emits a red light with a range of 10 nautical miles. Its light pattern consists of a sequence of flashes every four seconds, with a period of three seconds between each flash. The light is also accompanied by a fog signal, which operates at a frequency of 60 minutes.

Location and Accessibility -----------------------------

The Poolbeg Lighthouse is situated on the Great South Wall in Dublin, Ireland. Visitors can access the lighthouse via a short walk from the nearby town of Poolbeg.

Current Status -------------

The Poolbeg Lighthouse remains an active aid to navigation, ensuring safe passage for mariners at the mouth of the River Liffey.

Heritage Status ----------------

The Poolbeg Lighthouse is a notable historical landmark and has been recognized as such by various authorities. Its heritage status reflects its importance in Ireland's maritime history.

Notable Historical Events ----------------------------

While no specific events are recorded, the Poolbeg Lighthouse has played an important role in Dublin's maritime history, serving as a vital aid to navigation for centuries.