River Stour, Dorset
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The River Stour is a 60.5 mile long river which flows through Wiltshire and Dorset in southern England, and drains into the English Channel. It is sometimes called the Dorset Stour to distinguish it from rivers of the same name. The source of the river is at Stourhead, in Wiltshire where it forms a series of artificial lakes which are part of the Stourhead estate, owned by the National Trust. It flows south into Dorset through the Blackmore Vale and the towns of Gillingham and Sturminster Newton, where it is joined by the River Lydden. At Blandford Forum the river breaks through the chalk ridge of the Dorset Downs, and from there flows south east into the heathlands of south east Dorset. At Wimborne Minster it is joined by the River Allen, and at its estuary at Christchurch it is joined by the River Avon before it flows into the English Channel.
For many miles the river is followed by the now disused Somerset and Dorset Joint Railway, which bridged the river five times.
Because much of the river's course is across clay soil the river's waterlevel varies greatly. In summer low water level makes the river a diverse and important habitat, supporting many rare plants. In winter the river often floods, and is therefore bordered by wide and fertile flood plains.
A number of towns and villages in Dorset are named after the river, including East and West Stour, Stourpaine, Stour Row, Stour Provist, Sturminster Newton, and Sturminster Marshall. Sturminster Newton is famous for its water mill and town bridge, which still bears the notice warning potential vandals that damaging the bridge is punishable by penal transportation.
