The Pinnaroo railway line ran east from the Adelaide to Melbourne line at Tailem Bend to Pinnaroo near the South Australia / Victoria state border. The route continues into Victoria via the Victorian Railways line to Ouyen where it joined the Mildura line.

Tailem Bend railway station is located on the Adelaide-Wolseley line in Tailem Bend, South Australia. It is also the junction point for the Loxton and Pinnaroo lines.