| Hint | River | % Correct |
|---|---|---|
| Oxford, Reading, London | Thames | 95%
|
| Stoke-on-, Burton-on-, Nottingham | Trent | 91%
|
| Glasgow, Renfrew, Dumbarton | Clyde | 80%
|
| Shrewsbury, Worcester, Gloucester | Severn | 79%
|
| Chippenham, Bath, Bristol | Avon | 77%
|
| Builth Wells, Hereford, Monmouth | Wye | 64%
|
| Llangollen, Chester | Dee | 59%
|
| Perth, Dundee | Tay | 57%
|
| Bedford, Huntingdon, Ely | Great Ouse | 52%
|
| Llandovery, Llandeilo, Carmarthen | Tywi | 14%
|