Yadlamalka is a rural locality in the Far North region of South Australia. Yadlamalka lies between the southern tip of Lake Torrens and the Flinders Ranges within the Pastoral Unincorporated Area, 50 Kilometers north of Port Augusta. The area is an arid plain.
The traditional owners of the area are the Banggarla peoples.
The Ghan railway runs through Wallerberdina.
In April 2016 a nuclear waste dump was proposed by the South Australian Government in the adjoining locality of Barndioota, South Australia.. The proposal met opposition from locals, the Banggarla peoples and environmental groups. A decision on this is not expected soon.