| Mountain | State | Latitude | Longitude | Elevation (meters) | Elevation (feet) |
|---|
| Gatberg | Province of KwaZulu-Natal | -29.05 | 29.3333333 | 2224 | 7297 |
| Gatklippe | Province of Eastern Cape | -30.65 | 27.1666667 | 1863 | 6112 |
| Gatsberg | Province of the Western Cape | -32.9333333 | 21.15 | 1307 | 4288 |
| Ga-Tshwale | Limpopo Province | -23.5166667 | 30.1 | 735 | 2411 |
| Ga-Tshwene | Mpumalanga | -25.2166667 | 31.15 | 722 | 2369 |
| Gcotoli | Province of KwaZulu-Natal | -28.85 | 30.85 | 584 | 1916 |
| Geelberg | Province of the Western Cape | -32.6833333 | 19.2166667 | 952 | 3123 |
| Geelhoutboomberg | Province of the Western Cape | -33.8833333 | 22.3666667 | 686 | 2251 |
| Geelhoutkop | Limpopo Province | -24.2833333 | 28.3833333 | 1681 | 5515 |
| Gemsbokkop | Province of the Western Cape | -32.7666667 | 21.6666667 | 793 | 2602 |
| Gemsbokkop | Province of the Western Cape | -33.8333333 | 19.65 | 846 | 2776 |
| Genadeberg | Free State | -30.4 | 27.25 | 1596 | 5236 |
| Generaalskop | Free State | -28.55 | 28.6333333 | 2484 | 8150 |
| George Kop | Province of the Western Cape | -32.1333333 | 22.85 | 1317 | 4321 |
| George Kop | Province of the Western Cape | -33.7833333 | 23.1833333 | 979 | 3212 |
| George Peak | Province of the Western Cape | -33.9 | 22.4666667 | 1053 | 3455 |
| Gert Sass se Berg | Province of the Western Cape | -33.7833333 | 23.0333333 | 636 | 2087 |
| Gert se Berg | Province of the Western Cape | -33.95 | 21.7166667 | 434 | 1424 |
| Geswindsberg | Province of Northern Cape | -31.5666667 | 23.9833333 | 1576 | 5171 |
| Geswindskop | Province of Northern Cape | -31.55 | 23.9666667 | 1673 | 5489 |
