This article refers to the Scottish river.
For other rivers of the same name see:
The River Leven is a stretch of water in West Dunbartonshire, Scotland, flowing from Loch Lomond in the North to the River Clyde in the South. The Vale of Leven is a collection of communities in the northern part of the river, whilst the town of Dumbarton sits at the southern end. Dumbarton Castle sits at the confluence of the river with the Clyde.
