Rhymney River

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The Rhymney River is a river in the Rhymney Valley, south Wales, flowing into the Bristol Channel.

The river forms the border between the traditional counties of Glamorgan and Monmouthshire.

[edit] Path of the river

The river runs south, through (in order):

• Rhymney
• New Tredegar
• Bargoed
• Ystrad Mynach
• To the north of Caerphilly, the river arcs east to avoid Caerphilly mountain
• Bedwas
• Machen
• Rumney, a district of Cardiff

[edit] History

Being part of the South Wales coal and iron producing area, the river had poor water quality through most of the twentieth century. Since that time, the water has become a lot cleaner.