Major Water Bodies of England

Rivers: Thames (through London), Severn (UK's longest), Trent, Humber (estuary).
Lakes: Lake District (scenic), Windermere (largest natural lake).
Reservoirs: Kielder Water (largest artificial), Rutland Water.
Estuaries: Thames Estuary, Humber Estuary.
Canals: Grand Union Canal (London–Birmingham), Leeds & Liverpool Canal.