[2][3] The Parish is on the Darling River upstream of Wilcannia, New South Wales and is located at 31°02′14″S 144°25′37″E.
The topography of Tankarrok Parish is flat with a Köppen climate classification of BsK (Hot semi arid).
[4] The economy in the parish is based on broad acre agriculture, mainly on Wheat and sheep.
The traditional owners of the area are the Barkindji people.
[5][6] In 1835, explorer Major Thomas Mitchell was the first European to the region, in which he traced the Darling River to what is now Menindee.