| Mountain | State | Latitude | Longitude | Elevation (meters) | Elevation (feet) |
|---|
| Graspunt | Province of the Western Cape | -32.65 | 21.1166667 | 1300 | 4265 |
| Grasrug | Province of the Western Cape | -32.8666667 | 19.05 | 687 | 2254 |
| Green Kop | Province of KwaZulu-Natal | -29.3166667 | 30.4666667 | 938 | 3077 |
| Grenadier's Cap | Province of Eastern Cape | -33.9166667 | 23.7166667 | 572 | 1877 |
| Groen | Province of the Western Cape | -33.0166667 | 19.15 | 1597 | 5240 |
| Groenberg | Province of the Western Cape | -33.6 | 19.05 | 504 | 1654 |
| Groenberg | Province of Northern Cape | -32.05 | 21.95 | 1547 | 5075 |
| Groenberg | Province of Eastern Cape | -33.3333333 | 25.25 | 528 | 1732 |
| Groenberg | Province of the Western Cape | -32.9166667 | 21.2166667 | 1225 | 4019 |
| Groenberg | Province of Northern Cape | -31.8666667 | 19.8833333 | 1341 | 4400 |
| Groenkop | Province of Eastern Cape | -32.6 | 25.6166667 | 1176 | 3858 |
| Groenkop | Free State | -28.2333333 | 28.65 | 1708 | 5604 |
| Grootberg | Province of the Western Cape | -34 | 21.0333333 | 436 | 1430 |
| Grootberg | Province of Northern Cape | -29.0333333 | 21.8666667 | 1178 | 3865 |
| Grootberg | Province of Northern Cape | -31.9333333 | 20.0833333 | 1492 | 4895 |
| Grootberg | Province of Northern Cape | -28.55 | 16.85 | 351 | 1152 |
| Grootberg | Province of the Western Cape | -33.9166667 | 20.8666667 | 1503 | 4931 |
| Grootberg | Province of the Western Cape | -32.7 | 19.1166667 | 1304 | 4278 |
| Grootberg | Province of the Western Cape | -32.2166667 | 23.8666667 | 1845 | 6053 |
| Grootberg | Province of the Western Cape | -32.6 | 19.15 | 1310 | 4298 |
