Errigal References Errigal mountain, Ireland Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Donegal…2,467 feet (752 metres) at Errigal. Evidence of extensive glaciation exists. The climate is temperate, with warm summers and mild, moist winters. Read More…2,467 feet (752 metres) at Errigal. Evidence of extensive glaciation exists. The climate is temperate, with warm summers and mild, moist winters. Read More