Dún na mBó meaning ‘the cattle fort’, refers to a circular fort that once existed at the edge of the promontory. In 2002, a sculpture was built around the blowhole at Dún na mBó, but the blowhole has been here for much, much longer.
A blowhole is formed as sea caves grow landwards and upwards into vertical shafts and expose themselves towards the surface. When the Atlantic waves crash against the cliffs, the seawater is pushed upwards and outwards – a spectacular sight, especially in stormy weather. As you walk westwards, the incredible view of Eagle Island comes into sight. Nearby, at Termoncarragh, you can see endangered birds gathering at the freshwater lake.