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| Line | Height | Location |
| Skitube | 1900 m | Blue Cow |
| Main North Line | 1377 m | Between Llangothlin and Ben Lomond |
| Main North Line | 1363 m | Ben Lomond |
| Oberon Branch | 1104 m | Oberon |
| Main North Line | 1102 m | Between Walcha Road and Wollun |
| Main Western Line | 1092 m | Between Bell and Newnes Junction |
| Main North Line | 1084 m | Wollun |
| Bombala Line | 1068 m | Nimmitabel |
| Main West Line | 1068 m | Newnes Junction |
| Main West Line | 1067 m | Bell |
| Line | Height | Location |
| Eastern Suburbs Line | -12.8 m | Under Hay Street, City |
| Airport Line | approx -12 m | |
| Airport Line | approx -5 m | Wolli Creek |
| Main South Line | 0.9 m | Central Station platforms 24 and 25 |
| Newcastle Branch | 1 m | Newcastle |
| City Circle Line | 4 m | Wynyard |
