| Copper Cliff South Mine | |
| Width: | 300px |
| Country: | Canada |
| Subdivision Type: | Province |
| State/Province: | Ontario |
| Pushpin Map: | Canada |
| Pushpin Map Caption: | Location in Canada |
| Pushpin Label: | Copper Cliff South Mine |
| Owner: | Vale Canada Limited |
| Place: | Copper Cliff |
| Official Website: | www.vale.com |
| Coordinates: | 46.4583°N -81.0792°W |
| Discovery Year: | 1887 |
| Products: | |
Copper Cliff South Mine is an underground nickel mine in Copper Cliff, Ontario, Canada. It is owned and operated by Vale Canada Limited.
Part of the mine is located under the town of Copper Cliff, which means that additional care must be put into the crown pillar.