Pimba is a small settlement lying on the transcontinental railway line in the Australian state of South Australia. It lies at the junction of the Stuart Highway to Alice Springs and the road to Woomera, Roxby Downs and Andamooka. It is 441 kilometres (274 mi) from Adelaide. There is an iconic roadhouse, named "Spud's Roadhouse", which sells fuel and general shop items and meals and has accommodation.