The Giant’s Causeway

The Giant’s Causeway, located on the north coast of Northern Ireland, is a breathtaking natural wonder renowned for its unique geological formations.

This spectacular site has earned the prestigious designation of a UNESCO World Heritage Site, recognizing its significance in both geological and cultural aspects.


The Giant’s Causeway consists of approximately 40,000 interlocking hexagonal basalt columns formed by ancient volcanic activity. These stunning formations, often resembling stepping stones, have captivated visitors for centuries.

The mythological story

Mythology surrounds the Giant’s Causeway, the most famous tale attributes its creation to the legendary Irish giant, Finn McCool (Fionn mac Cumhaill). According to the folklore, Finn challenged the Scottish giant Benandonner to a duel.

Giant’s Causeway card from Exploring Ireland Game

To reach his rival, Finn built the Giant’s Causeway as a path across the sea. However, upon seeing the enormous size of Benandonner, Finn’s wife cleverly disguised him as a baby.

When Benandonner saw the “baby giant,” he assumed Finn must be colossal in size, and fearing his opponent’s size, he fled back to Scotland, tearing up the Causeway behind him. While this story is purely mythical, it adds to the mystique and allure of this natural wonder.

The scientific story

In reality, the Giant’s Causeway was formed around 50-60 million years ago during a period of intense volcanic activity. Molten basaltic lava erupted and rapidly cooled upon contact with the cold waters of the North Atlantic Ocean.

This rapid cooling led to the formation of the distinctive hexagonal columns that we see today. Over time, erosion has further shaped and revealed this remarkable geological masterpiece, making it a must-visit destination for travelers and nature enthusiasts alike.