| GRANTA | Tributary of the River Cam (6) |
| WHERRY | Old cargo boat used on the River Cam and the Broads (6) |
| IRTYSH | River of Siberia that is the chief tributary of the River Ob (6) |
| NADDER | Tributary of the River Avon that flows through the park of Wilton House (6) |
| TEVIOT | Scottish Borders river, a tributary of the River Tweed (6) |
| YARROW | Tributary of the River Douglas skirting Chorley, Lancashire (6) |
| KENNET | Tributary of the River Thames whose source is near Wiltshire's Silbury Hill (6) |
| WHARFE | Tributary of the River Ouse in West and North Yorkshire upon which Ilkley stands |
| CAMBRIDGE | City in southern England on the River Cam |
| VITIM | Tributary of the river Lena, navigable to the town of Bodaybo (5) |
| CHEADLE | Historically within Cheshire, this suburban village of Greater Manchester is three miles from Stockport town centre; it lies on the Ladybrook, a tributary of the River Mersey (7) |
| BRENT | Major tributary of the River Thames rising in the London Borough of Barnet |
| SPREE | German river (250 miles long), the main tributary of the River Havel (5) |
| JUMNA | River in India, chief tributary of the River Ganges (5) |
| WEY | River, a tributary of the River Thames (3) |
| DERWENT | River that is a tributary of the River Trent (7) |
| ACRE | Farm plot claimed back from River Cam |
| VERMICULAR | Worm-like river Cam meandering around university lake (10) |
| MOUSEWATER | Lanarkshire river that is a tributary of the River Nethan (5, 5) |
| LOGANWATER | Lanarkshire river that is a tributary of the River Nethan (5,5) |
