[1] The area around the village has yielded a significant number of Roman artefacts, including a statue of Diana.

Cynwyl Elfed transmitting station stands on high ground to the north of the village.

Rising to the east of Llanllawddog, in the Brechfa Forest, it runs west, through Llanpumsaint, to its confluence with the River Duad, just south of Cynwyl Elfed village.

Then its course turns to the southeast, running through Bronwydd before joining the River Towy at Abergwili.

The A484 is an A road from Swansea to Cardigan, and runs through Cynwyl Elfed affording connections to Carmarthen and the A40.