River Basins Western Wales Carmarthen Bay and the Gower Tywi
River Basins . . . Carmarthen Bay and the Gower Tywi
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Tywi

This operational catchment is part of the Carmarthen Bay and the Gower management catchment and is managed by Natural Resources Wales
Alltwalis - headwaters to confluence with Gwili
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Annell - headwaters to confluence with Cothi
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Annell - headwaters to confluence with Tywi
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Bran - conf with Crychan to conf with Tywi
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No flood warnings
Bran - confluence with Ydw to confluence with Tywi
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No flood warnings
Bran - headwaters to confluence with Crychan
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Bran - headwaters to confluence with Ydw
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Camddwr - headwaters to Llyn Brianne reservoir
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Cennen - headwaters to confluence with Tywi
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Cloidach - headwaters to confluence with Cothi
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Clydach - headwaters to confluence with Cothi
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Clydach - headwaters to confluence with Sawdde
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Cothi - conf with Twrch to confluence with Marlais
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Cothi - headwaters to confluence with Twrch
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Cothi - headwaters to confluence with Tywi
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No flood warnings
Crychan - headwaters to confluence with Bran
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Crychiau - headwaters to confluence with Gwili
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No flood warnings
Ddu - headwaters to confluence with Dulais
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Doethie - Pysgotwr Fawr conf to conf with Tywi
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Doethie - headwaters to conf with Pysgotwr Fawr
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Duad - headwaters to confluence with Gwili
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Dulais - conf with Ddu to confluence with Tywi
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Dulais - headwaters to confluence with Ddu
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Dulais - headwaters to confluence with Tywi
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No flood warnings
Dulas - conf with Sannan to confluence with Tywi
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Dulas - headwaters to confluence with Sannan
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Dunant - headwaters to confluence with Tywi
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Fernhill Brook - headwaters to tidal limit
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Gochen - headwaters to confluence with Duad
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Gorlech - headwaters to confluence with Cothi
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Gwenffrwd - headwaters to confluence with Tywi
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Gwenlais - headwaters to confluence with Tywi
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No flood warnings
Gwili - Duad conf to conf with Tywi at spring TL
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No flood warnings
Gwili - conf with Alltwalis to conf with Duad
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Gwili - headwaters to confluence with Alltwalis
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Gwydderig - headwaters to confluence with Bran
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No flood warnings
Marlais - headwaters to conf Cothi
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Marlais - headwaters to confluence with Tywi
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Marlais (Brechfa) - headwaters to conf Cothi
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Melinddwr - headwaters to confluence with Marlais
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No flood warnings
Mwche Stream - headwaters to tidal limit
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Myddfi - headwaters to confluence with Tywi
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Mynys - headwaters to confluence with Tywi
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Nant Pibwr - headwaters to tidal limit
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Pib - headwaters to confluence with Marlais
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Pysgotwr Fawr - headwaters to conf with Doethie
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Sannan - headwaters to confluence with Dulas
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Sawdde - conf with Clydach to confluence with Tywi
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Sawdde - headwaters to confluence with Clydach
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Twrch - headwaters to confluence with Cothi
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Tywi - conf with Doethie to conf with Llandovery Bran
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Tywi - conf with Llandovery Bran to conf with Cothi.
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No flood warnings
Tywi - confluence with Cothi to spring tidal limit
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Tywi - headwaters to Llyn Brianne reservoir
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Tywi - Llyn Brianne to confluence with Doethie
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Ydw - headwaters to confluence with Bran
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