This site generates income via partnerships with carefully selected travel brands and/ or purchases made through links to them. As an Amazon Associate I earn from qualifying purchases. See why this is important.Glendalough, in the Wicklow Mountains, translates to “Glen of the two lakes”. In the 7th century St. Kevin, a hermit monk, settled in a remote part of the valley. Followed by believers, a monastic colony formed. For 500 years it was one of Ireland's great ecclesiastical foundations and schools of learning.