Errigal is a 751-metre mountain near Gweedore in County Donegal, Ireland. It is the tallest peak of the Derryveagh Mountains and the tallest peak in County Donegal. Errigal is also the most southern and the highest of the mountain chain called the "Seven Sisters" by locals. Wikipedia
the name reminds me of when my dad took me to Louie the barber to get my haircut. Even if we were the only two people in his shop, he would still ask, OK, who’s next even though my dad didn't need his hair cut. :)
has some of the highest sea cliffs on the island of Ireland. Although less famous than the Cliffs of Moher in Co Clare, Slieve League's cliffs reach almost three times higher. You can read more about it here.