[citation needed] Nant Gwrtheyrn is a Welsh language heritage centre near the village.

There is a river called Afon Erch running from Llithfaen to the village of Abererch.

[2] Llithfaen Calvinistic Methodist Chapel was built in 1780 and rebuilt several times to cope with the growing population.

[3] In the first half of the 19th century, many smallholders of the parish supplemented their incomes by taking heather cut from the slopes of Tre'r Ceiri to be sold as kindling in Pwllheli for sixpence a bundle.

[citation needed] Many houses were built, and the census in 1881 shows many immigrants from other areas of the peninsula, Penmaenmawr and as far as Scotland.