Ath Lethain: a ford on the Nith, in Conalle Murthemni
Ath Luain: Athlone, on the Shannon, on the borders of Connacht and Meath
Ath Meislir: a ford in Sliab Fuait, in Ulster
Ath Moga: the present Ballymoe, on the river Suck, about ten miles to the south-west of Cruachan, County Galway
Ath Mor: the old name for Ath Luain
Ath na Foraire: on the road between Emain and Loch Echtrann
Ath Slissen: Bellaslishen Bridge; a ford on the Owenure River, near Elphin, in Connacht
Ath Solomshet: a ford, probably in Ulster
Ath Srethe: a ford in Conalle Murthemni
Ath Tamuin: a ford, somewhere in Ulster