Dún Lúiche (English: Dunlewey or Dunlewy). Officially known by its Irish name Dún Lúiche, is a small Gaeltacht village in the Gweedore area of County Donegal, Ireland. It sits in the Poisoned Glen, at the foot of Errigal and on the shore of Dunlewey Lough. It has a tourist centre, called the Lakeside Centre or Ionad Cois Locha, which offers boat trips of the lake. To the west of the lake is a ruined church.