The Blackwater railway system is located in Central Queensland and services the coal mining area of the Bowen Basin.

Together with the Moura line the two railway systems are known as the Capricornia Coal Chain.

[1] The Blackwater system is narrow gauge 1,067 mm (3 ft 6 in) and electrified using 25 kV 50 Hz.

The Blackwater system also services a number of domestic users including Gladstone Power Station, Stanwell Power Station, and QCL Fisherman's Landing.

[2] The Blackwater Coal Chain services 15 mines, operated by BMA, Xstrata, Rio Tinto, Curragh, Ensham, Felix, and Jellinbah.