| Clue | Source | Date |
|---|---|---|
| Source also for river | The Telegraph Toughie | 22 Apr 2025 |
| River reaching The Wash near Fossdyke (*end wall) (7) | ||
| Colin, actor/writer who scripted Chariots of Fire (7) | ||
| Ontario city near Niagara Falls | ||
| It flows through Spalding to The Wash (7) | ||
| Stamford's river (7) | ||
| 6 linking lakes Ontario and 15 | The Guardian Weekend | 26 Mar 2022 |
| Southern Ontario city | Canadiana | 28 Jun 2021 |
| Canal linking Lakes Erie and Ontario | ||
| Canal between Lake Erie and Lake Ontario, 27½ miles. | ||
| Canal in Canada. | ||
| Canadian canal. | ||
| ___ good. |