County Monaghan
Rivers in Monaghan include the River Fane (along the Louth border), the River Glyde (along the Louth and Meath borders), the Ulster Blackwater (along the border with County Tyrone) and the Dromore river (along the border of County Cavan, linking Cootehill to Ballybay). The Ulster Canal runs through Monaghan, but is not fully open to navigation.