- Holder
- Mponeng Gold Mine
- Country
- South Africa
- Date
- 2026
- Location
- South Africa
- Certificate
- GBR-C-2026-0000368
About this record
Mponeng Gold Mine, operated by Harmony Gold in the West Wits area on the Gauteng/North West border of South Africa, reaches a depth of approximately 4,000 metres with rock temperatures of up to 60 °C, included by GBR as the deepest mine in the world.
