Pontarsais is a village in Carmarthenshire, Wales, 5 miles (8 km) north of Carmarthen and 57 miles (92 km) miles northwest of Cardiff (Caerdydd). The nearest railway station is Llwyfan Cerrig on a heritage railway at Pentre Morgan 3 miles (5 km) southwest.

Pont-ar-sais
Ponds near Pontarsais
Pont-ar-sais Location within Carmarthenshire
OS grid reference	SN442283
Community	Llanllawddog
Principal area	Carmarthenshire
Preserved county	Dyfed
Country	Wales
Sovereign state	United Kingdom
Post town	Carmarthen
Postcode district	SA32
Police	Dyfed-Powys
Fire	Mid and West Wales
Ambulance	Welsh
UK Parliament	Carmarthen East and Dinefwr
Senedd Cymru – Welsh Parliament	Carmarthen East and Dinefwr
List of places UK Wales Carmarthenshire 51°55′55″N 4°16′01″W / 51.932°N 4.267°W / 51.932; -4.267

In 2014 powerline route options were being discussed.^[1]