Its southern extent is the Amadeus Basin gas fields west of Alice Springs.

[3] The Northern Gas Pipeline was constructed in 2017–2018 and connects the Amadeus Pipeline near Tennant Creek to the gas pipe infrastructure in the eastern states of Australia.

There are eleven mainline valves and scraper stations, and fourteen offtakes from the line.

Total length including spurs and laterals is 1,629 kilometres (1,012 mi).

[5]: page 5 The fourteen offtake delivery points are:[5]: table 1.1, page 17 Only the lateral lines at Katherine, Tennant Creek and Channel Island are considered part of the Amadeus Pipeline system.