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
- S -S. Yorks
Saint Ives (Cornwall)
Salcombe (Devon)
Salcombe Estuary
Salcombe-Kingsbridge Estuary
Salford
Salford Quays
Salisbury Avon
Salop
Salt marsh
Salthouse (Norfolk)
Sankey Brook
Sapiston
Scoat Tarn
Scotland
Scottish Borders
Seabrook Stream
Seaton (Devon)
Sence (Leicestershire)
Severn
Severn Estuary
Severn Uplands catchment
Severn Vale catchment
Shakerley Mere
Sharkham Point
Sharpness Canal
Shetland Islands
Shetlands
Shrewsbury
Shropshire
Shropshire Middle Severn catchment
Sid (Devon)
Sidmouth
Sir Benfro
Sir Ddinbych
Sir Fynwy
Sir Gaerfyrddin
Sir y Fflint
Skegness
Sladesbridge
Slaughterford
Snettisham
Soar
Soar catchment
Solway Firth
Somerset
Sor Brook (Oxfordshire)
South America
South and West Somerset catchment
South Ayrshire
South Devon catchment
South Downs
South East England
South East Northern Ireland
South East Valleys
South Essex catchment
South Lanarkshire
South West England
South West Lakes catchment
South West Scotland
South West Wales catchment
South Yorkshire
Southampton
Southend on Sea
Southend on Sea (Essex)
Special Protection Area
St Annes
St Austell (Cornwall)
St Ives (Cornwall)
St Neot (river, Cornwall)
St Neot River (Cornwall)
Staffordshire
Staffordshire Trent Valley catchment
Staffs
Stennack stream
Stickle Tarn
Stiffkey (Norfolk)
Stirling
Stort (Hertfordshire)
Stour (Dorset)
Stour (Kent)
Stour (Suffolk)
Stour (Worcestershire)
Stour catchment
Stour Estuary
Stour subcatchment
Stover Country Park
Strat
Stream
Strumpshaw Fen
Suffolk
Surrey
Sussex
Sutton on Sea
Sutton-on-Sea
Swale (Yorkshire)
Swale, Ure, Nidd and Upper Ouse catchment
Swansea
Swift (Leicestershire)