| Hint | Answer | % Correct |
|---|---|---|
| 2,635 mi | Mackenzie River | 90%
|
| 1,979 mi (714 mi) | Yukon River | 90%
|
| 1,900 mi | St. Lawrence River | 85%
|
| 1,243 mi (498 mi) | Columbia River | 81%
|
| 800 mi | North Saskatchewan River | 69%
|
| 865 mi | South Saskatchewan River | 69%
|
| 790 mi | Ottawa River | 65%
|
| 1,205 mi | Saskatchewan River | 63%
|
| 1,600 mi | Nelson River | 60%
|
| 850 mi | Fraser River | 56%
|
| 765 mi | Athabasca River | 50%
|
| 1,000 mi | Churchill River | 48%
|
| 1,195 mi | Peace River | 46%
|
| 1,453 mi | Slave River | 35%
|
| 610 mi | Albany River | 33%
|
| 625 mi (110 mi) | Milk River | 25%
|
| 610 mi | Severn River | 23%
|
| 693 mi | Liard River | 17%
|