information? Let us know.      Local Picture Gallery   View our Picture Galleries for: Llanfairfechan Gwynedd quarry      About your Area   Llanfairfechan Welsh : Llanfairfechan Llanfairfechan shown within the United Kingdom Population 3,755 (2001 census) OS grid reference SH685745 Principal area Conwy Ceremonial county Clwyd Constituent country Wales Sovereign state United Kingdom Post town