| ATSOURCE | After army rises, Crusoe moves furthest from the estuary (2,6) |
| LIMERICK | Ireland's third largest city, on the estuary of the River Shannon (8) |
| SOLSTICE | What do you call either of the two points of the year when the sun is furthest from the equator? (8) |
| OUTFIELD | In baseball and cricket, the part of the playing area furthest from the batting pitch (8) |
| WILDWEST | Term for a part of the U.S. furthest from the Atlantic in its lawless frontier period (4,4) |
| APHELION | Point in a body's orbit that is furthest from the sun (8) |
| OFFSTUMP | Wicket piece furthest from the batsman (3,5) |
| UPRIVER | Away from the estuary, excited motorist loses lead (7) |
| FIRTH | He started to follow first ship away from the estuary (5) |
| URBAN | The ___ development of nearby towns, shopping centres on water's edge, pollution and boats in the estuary is threatening the survival of the Knysna seahorses |
| GENERATOR | It gives power to right, after army chief's deposed left |
| EMERITI | Those honourably discharged, one after army corps backed appeal (7) |
| ARMADAS | A sad setback after army cut off last fleets(7) |
| AGAIN | Falls back after army destroyed once more (5) |
| KINGSLYNN | Market town in Norfolk on the estuary of the Great Ouse near the Wash |
| COWES | Seaport on the Isle of Wight on the estuary of the River Medina |
| TOTNES | Market town at the head of the estuary of the River Dart in Devon |
| IPSWICH | The county town of Suffolk, on the estuary of the River Orwell |
| OPORTO | Iberian city at the estuary of the River Douro (6) |
| BARNSTAPLE | Town in Devon on the estuary of the River Taw |