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
when the Diamond in Donegal Town was being upgraded, they got this new water machine. So if you visit make sure you take your water bottle to refill it and it's free. Now you don't have to purchase water from the store, saves you some money.