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Haltham
Hampshire
Hampshire Avon
Hampshire Avon catchment
Hants
Hartland
Harwich
Hatch Mere
Hatfield (Hertfordshire)
Hatfield Chase
Haweswater
Hayeswater
Hayle (Cornwall)
Hayling Island
Heacham
Helford (Cornwall)
Helford Estuary
Helford River (Cornwall)
Herefordshire
Herefs
Hertford (North Yorkshire)
Hertfordshire
Herts
Hexham
Heybridge (Maldon)
Heysham
Highbridge (Somerset)
Highland
Hillfarrance (Somerset)
Historical regions
Hiz
Hodder
Hogsmill
Hogsmill subcatchment
Holcombe (South Devon)
Hope Cove
Horncastle (Lincolnshire)
Hull (river)
Hull and East Riding catchment
Humber
Humber estuary
Hunstanton
Huntspill (Somerset)