Penllech
Chapel at Penllech Bach
Penllech Location within Gwynedd
OS grid reference	SH218356
Community	Tudweiliog
Principal area	Gwynedd
Preserved county	Gwynedd
Country	Wales
Sovereign state	United Kingdom
Post town	PWLLHELI
Postcode district	LL53
Dialling code	01758
Police	North Wales
Fire	North Wales
Ambulance	Welsh
UK Parliament	Dwyfor Meirionnydd
Senedd Cymru – Welsh Parliament	Dwyfor Meirionnydd
List of places UK Wales Gwynedd 52°53′17″N 4°39′00″W / 52.888°N 4.650°W / 52.888; -4.650

Penllech is a hamlet and former civil parish in the Welsh county of Gwynedd. The parish was abolished in 1934, and incorporated into Tudweiliog.^[1]