Main street in 2007
|OS grid reference|
|Sovereign state||United Kingdom|
Llanuwchllyn is a village and community in Gwynedd, Wales, near the southern end of Bala Lake (Llyn Tegid). Its population according to the United Kingdom Census 2001 was 834, of whom about 81% were Welsh-speaking. The figures for the 2011 census were: population 617; Welsh speakers 82%.
The village was the birthplace of Welsh language author and educationalist Owen Morgan Edwards.
Caer Gai, a Roman fort near Llanuwchllyn, was traditionally known as the home of Cei, the character in the Arthurian legend known in English as Sir Kay. Poets of the 15th century recorded a story, ultimately deriving from the Prose Merlin included in the Lancelot-Grail and the Post-Vulgate Cycle, that King Arthur and Cei were brought up at Caer Gai as foster brothers. Caer Gai is also Grade II* listed.
- Llanuwchllyn Census 2001 National Office of Statistics
- Welsh-speaking statistics Welsh Language Board
- "Community population 2011 plus percentage of welsh speakers". Retrieved 17 May 2015.
- "Parish Church of St Deiniol, Llanuwchllyn". British Listed Buildings. Retrieved 17 December 2013.
- Bromwich, p. 311.
- "Caer Gai, including adjoining forecourt walls to the NE, Llanuwchllyn". British Listed Buildings. Retrieved 17 December 2013.
- "Ward population 2011". Retrieved 17 May 2015.
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