27/08/2025
The Poolbeg Lighthouse Walk: A Dublin Coastal Gem
If you’re looking for a refreshing coastal walk in Dublin with stunning sea views and a touch of history, the Poolbeg Lighthouse Walk is a perfect choice.
📍 Location
Poolbeg Lighthouse sits at the end of the Great South Wall, stretching nearly 4 kilometers out into Dublin Bay. The walk begins near Pigeon House Road, close to Poolbeg Power Station (with its iconic red-and-white chimneys). As you walk along the wall, you’re treated to sweeping views of Dublin city, Howth Head, Dun Laoghaire, and the open sea.
🕰️ History
The Great South Wall was constructed in the mid-18th century (completed in 1795) to shelter Dublin Port and improve navigation into the city. When it was built, it was one of the longest sea walls in the world.
Poolbeg Lighthouse itself dates back to 1768, making it one of the oldest working lighthouses in Ireland. Its striking red paint helps ships distinguish it from the green-painted North Bull Lighthouse on the opposite side of the bay.
🌤️ Best Time to Go
Morning walks offer crisp sea air and fewer crowds.
Sunset is especially magical, with the sky glowing behind the lighthouse.
On clear days, the views across Dublin Bay are breathtaking.
It’s best to go when the tide is out and the weather is calm, as strong winds can make the exposed wall more challenging.
⚠️ Precautions
The wall is long and exposed — wear comfortable shoes and bring a jacket, as it can be very windy.
There are no facilities along the wall, so plan accordingly.
Keep an eye on the weather forecast; avoid the walk during high winds, storms, or heavy rain.
The surface can be uneven in places, so take care while walking.
✨ Why It’s Worth It
The Poolbeg Lighthouse Walk combines history, exercise, and breathtaking scenery in one of Dublin’s most unique coastal experiences. Whether you’re a local or a visitor, it’s a walk that captures the spirit of the city and its close connection to the sea.
