Oldest mountain range
Who
Barberton Greenstone Belt
What
3,600,000,000 year(s)
Where
South Africa ()
When
Not applicable

The Barberton Greenstone Belt in South Africa, also known as the Makhonjwa Mountains, is formed of rocks dated as far back as 3.6 billion years. It was here that gold was first discovered in South Africa in 1875. The Makhonjwa Mountains have a maximum altitude of around 1,800 m (5,905 ft) above sea level.