Roundstone is a rural locality in the Shire of Banana, Queensland, Australia.

[1] The Dawson Highway enters the locality from the north-east (Moura) and exits to the north-west (Oombabeer/Rhydding).

[3] From the highway to the south, the Dawson Range bounds the locality to the east and south-east.

[4] The Roundstone Conservation Park is in the north-west of the locality, immediately north of the higway.

Apart from these protected areas, the land use is predominantly grazing on native vegetation with some crop growing.