Llyn Glangors is a lake in the Gwydir Forest in north Wales. It lies at a height of 900 ft (270 m) and covers an area of 15 acres (61,000 m). An artificial reservoir, it was created to supply water for the nearby Pandora lead mine.

Sarn Helen, the Roman road, is thought to have passed close to the lake.

• The Lakes of Eryri, by Geraint Roberts, Gwasg Carreg Gwalch, 1985