The Mount Macedon repeater has incredible coverage and is your first stop but there are other repeaters that you can probably use in this region too.
For the latest data, check with the WIA Repeater Update page.
VK3RMM Mount Macedon
Output: 147.250
Offset: +600
Mode: FM
Tone: None
VK3RGH Kyneton
Output: 146.875
Offset: -600
Mode: FM
Tone: 91.5
VK3RHF Melbourne North
Output: 438.875
Offset: -7MHz
Mode: FM
Tone: 88.5
VK3RCV Castlemain
Output: 147.150
Offset: +600
Mode: FM
Tone: 91.5
VK3RNW Gisborne
Output: 146.875
Offset: -600
Mode: FM
Tone: 67
VK3RBU Ballarat
Output: 438.475
Offset: -7Mhz
Mode: FM
Tone: 91.5
VK3RWA Ararat
Output: 147.100
Offset: +600
Mode: FM
Tone: 91.5
VK3RGV Euroa
Output: 146.650
Offset: -600
Mode: FM
Tone: 88.5
VK3RGV Euroa
Output: 439.775
Offset: -5MHz
Mode: FM
Tone: 88.5
VK3REG Mt Cann
Output: 438.025
Offset: -5MHz
Mode: FM
Tone: 88.5
VK3REG Mt Cann
Output: 146.650
Offset: -600
Mode: FM
Tone: 88.5
VK3RBT Ballarat
Output: 146.650
Offset: -600
Mode: FM
Tone: 88.5
VK3RWZ Ararat
Output: 146.950
Offset: -600
Mode: FM
Tone: 88.5
VK3RMU Healsvile
Output: 147.375
Offset: +600
Mode: FM
Tone: 88.5