Mount Greenly (dual name: Millapa) is a mountain in Australia located in the state of South Australia on the Eyre Peninsula in the gazetted locality of Coulta.

[1] The top of Mount Greenly is 305 metres (1,001 ft) above sea level.

[1] Mount Greenly is a privately owned heritage listed land.

The area around Mount Greenly is almost unpopulated, with less than two inhabitants per square kilometer.

The warmest month is January, when the average temperature is 25 °C, and the coldest is June, at 8 °C.