 Keer catchment

Lune catchment

Cocker catchment

Wyre catchment

Ribble catchment

Minor coastal catchments

Alt catchment

Mersey catchment

The Dee and most of its tributaries arise in Wales.Though a section of it passes through England, it passes into Wales once again before discharging into the Irish Sea via the Dee estuary.For other rivers entering the Irish Sea and Cardigan Bay from Wales, see List of rivers of Wales.