[1] The geography of the parish is mostly the flat, arid landscape of the Channel Country.
The parish has a Köppen climate classification of BWh (Hot desert).
[2] The nearest town is Tibooburra to the northwest, which is on the Silver City Highway and lies south of Sturt National Park.
The area around Wonominta Creek is almost unpopulated, with less than two inhabitants per square kilometer.
The warmest month is January, when the average temperature is 34 °C, and the coldest is June, at 10 °C.