| Source or Source Confluence | River | % Correct |
|---|---|---|
| La Poudre Pass, Colorado, USA | Colorado River | 96%
|
| Kemble, Gloucestershire, England | River Thames | 93%
|
| Geladaindong Peak,Tanggula Mountains, Qinghai, China | Yangtze | 91%
|
| Lake Itasca, Minnesota, USA | Mississippi River | 89%
|
| Valdai Hills, Tver Oblast, Russia | Volga River | 89%
|
| Mantaro River, Peru | Amazon River | 87%
|
| Reichenau, Switzerland | The Rhine | 86%
|
| Donaueschingen, Baden-Württemberg, Germany | Danube River | 84%
|
| Monte Viso, Piedmont, Italy | The Po | 84%
|
| Lake Tear of the Clouds, New York, USA | Hudson River | 82%
|
| Brower's Spring, Montana, USA | Missouri River | 81%
|
| Confluence of the Monongahela and Allegheny Rivers, Pennsylvania, USA | Ohio River | 74%
|
| Llewellyn Glacier, Atlin Lake, British Columbia, Canada | Yukon River | 66%
|
| Confluence of the Holston and French Broad Rivers, Tennessee, USA | Tennessee River | 57%
|
| Mount Robson Provincial Park, British Columbia, Canada | Fraser River | 25%
|