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Mount Charlton is a rural locality in the Mackay Region, Queensland, Australia. In the 2021 census, Mount Charlton had a population of 151 people.

The Mirani - Mount Ossa Road enters the locality from the south (Dows Creek) and exits to the east (Mount Ossa).

There are two neighbourhoods in the locality:

The locality has the following mountains (from north to south):

and the following passes (from north to south):

There are a number of protected areas within the locality:

Apart from the protected areas, the land use is a mixture of grazing on native vegetation and crop growing (predominantly sugarcane).