| NAR | Norfolk chalk river, tributary of Great Ouse (3) |
| CHASE | Cranbome -; with a diverse landscape of ancient woodlands, chalk grassland and chalk river valleys, one of Dorset's two AONBs (5) |
| TEST | A chalk river that flows to Southampton Water (4) |
| WASHBASIN | Fitting destination and surroundings of Great Ouse or Nene (9) |
| SOW | Stafford's river, tributary of the Trent (3) |
| CAM | Tributary of the Great Ouse that shares its name with pipeclay, a slate pencil or a rotating mechanism (3) |
| HAN | Big Yangtze River tributary |
| WEI | Yellow River tributary |
| ELK | Tennessee River tributary |
| OSAGE | ___ River, tributary of the Missouri River in the US that flows into the Lake of the Ozarks reservoi |
| RYTON | Worksop's river, tributary of River Idle (*no try) (5) |
| SHEAF | Sheffield's underground river, tributary of the Don (* H. safe) (5) |
| TEITH | Scottish fly fishing river, tributary of the Forth (5) |
| PLATTE | ? River, tributary of the Missouri in Nebraska, US, upon which Fremont stands |
| ANCHOLME | Lincs. river, tributary of Humber (*loach men) (8) |
| RODING | Essex river, tributary of the Thames (*no grid) (6) |
| ADDA | River, tributary of the Po (4) |
| DOCHART | Salmon/trout river, tributary of the Tay (*at chord) (7) |
| LYDE | Buckinghamshire river, tributary of the Thame - a bit smelly, dead! (4) |
| DOUGLAS | Wigan's river, tributary of the Ribble (7) |