| Clue | Source | Date |
|---|---|---|
| Major manmade waterway (5,5,5) | ||
| Manmade waterway between London and Birmingham (5,5,5) | ||
| Long run wrongly associated with Canadian waterway | The Times Cryptic | 19 Jan 2024 |
| Lawless old Nicaraguan drained northern waterway | The Telegraph Toughie | 27 Mar 2019 |