The River Fane is a river originating in Lough Ross on the border of County Monaghan and County Armagh. It then flows east towards Dundalk Bay, straddling the border between Counties Monaghan, Louth and Armagh flowing through Inniskeen, Knockbridge, before meeting Dundalk Bay near Blackrock, County Louth. The Fane River is 38.25 miles long and drains an area of 350km²