A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

 - C - 

Cadishead
Caerdydd
Caerffili
Caerphilly
Calder (Yorkshire)
Cam
Cam and Ely Ouse catchment
Cam Brook
Cambridgeshire
Cambs
Camel (Cornwall)
Canal
Cannock
Canvey Island
Carbis Bay
Cardiff
Carmarthenshire
Carnon
Casnewydd
Castell-nedd Port Talbot
Castle Carrock Reservoir
Catchment basin
Ceredigion
Chalk stream
Channel (geography)
Chapelhouse Reservoir
Char (Dorset)
Chasewater
Chasewater Reservoir
Chelt
Cheltenham
Cherwell (river)
Cherwell catchment
Cheshire
Cheshire Meres
Chess (river)
Chet
Chew (Somerset)
Chew Magna
Chew Reservoir
Chewton Mendip
Christchurch (Dorset)
Churn
City of Bristol
City of Edinburgh
Clackmannanshire
Clacton-on-Sea
Cleethorpes
Cley next the Sea
Cley-next-to-the-sea
Clitheroe
Clovelly
Coast
Cole (West Midlands)
Colliford Lake
Colliford reservoir
Coln (Gloucestershire)
Colne (Essex)
Colne (Hertfordshire)
Colne (West Yorkshire)
Colne catchment
Colne Estuary (Essex)
Combe Martin
Comber Mere
Combermere
Combined Essex catchment
Coniston Water
Continent
Conwy
Conwy and Clwyd catchment
Cookham
Coombe (Bude)
Cornwall
Cotswolds
Cotswolds catchment
County Down
County Durham
Crake
Crane (London)
Crantock
Cray
Creedy (Devon)
Cringle Brook (Manchester)
Croal
Cropston Reservoir
Crouch (Essex)
Crouch and Roach Estuary
Croyde stream
Crummock Water
Cuckmere
Cuckmere and Pevensey Levels catchment
Cumbria
Cymru