The River Lagan (from Irish Abhainn an Lagáin, meaning ``river of the low-lying district''; Ulster Scots: Lagan Wattèr) is a major river in Northern Ireland which runs 53.5 miles (86 km) from the Slieve Croob mountain in County Down to Belfast where it enters Belfast Lough, an inlet of the Irish Sea.
The River Lagan ( from Irish Abhainn an Lagáin , meaning ` ` river of the low - lying district ' ' ; Ulster Scots : Lagan Wattèr ) is a major river in Northern Ireland which runs 53.5 miles ( 86 km ) from the Slieve Croob mountain in County Down to Belfast where it enters Belfast Lough , an inlet of the Irish Sea .
Which river system contains River Lagan?
Which river system contains River Lagan ?
Irish Sea
Irish Sea