Llangernyw ([ɬanˈgɛrnɨ̞u] ⓘ) is a rural, mostly Welsh-speaking, village and community in Conwy County Borough, North Wales.

Situated on the outskirts of the village is Hafodunos Hall, a gothic mansion ravaged by fire in 2004, and currently being restored by a private owner.

[5] This is thought to be the oldest living tree in Europe (see List of longest-living organisms).

The museum is his childhood home, a small cottage, which has been preserved internally and externally.

This ward stretches to the south of Llangernyw Community and has a total population at the 2011 census of 1,435, and includes Pentrefoelas.