| Kostomuksha mine | |
| Pushpin Map: | Russia |
| Coordinates: | 64.7167°N 60°W |
| State/Province: | Republic of Karelia |
| Country: | Russia |
| Products: | Iron ore |
The Kostomuksha mine is a large iron mine located in north-western Russia in the Republic of Karelia.[1] Kostomuksha represents one of the largest iron ore reserves in Russia and in the world having estimated reserves of 10 billion tonnes of ore grading 45% iron metal.[2]