Athrad Poros was the name of a ford and town that lay one hundred and forty miles upstream from river Poros's confluence with the Anduin, where the Men Ithilien crossed it from north to south.The ford lay just below a fork in the main course of the river, whose arms branched north into Ithilien and towards the Ephel Duath, some sixty miles further east, situated just south of where the river forked into two arms, the northern being called the Ethraid.