Ullollie, New South Wales

Ullollie, New South Wales is a remote rural locality and civil parish of Yungnulgra County in far North West New South Wales.

Geography
The Parish an arid landscape. The nearest town is Whitecliffs several km to the north west.

Ullollie is at 31°03′02″S 143°27′09″E in Central Darling Shire.

Climate
The parish has extremely hot summers and mild winters. Summers would usually exceed 36 °C. Winters are usually around 17 °C. The annual average rainfall is 249.7 mm which would make it a semi-arid climate except that its high evapotranspiration, or its aridity, makes it a desert climate. The parish has a Köppen climate classification of BWh (Hot desert),. is almost unpopulated, with less than two inhabitants per square kilometer.

History
The Parish is on the traditional lands of the Wandjiwalgu. Aboriginal peoples.

In 1838 Thomas Mitchell (explorer) travelled down the nearby Darling River.

Charles Sturt passed through the Wandjiwalgu lands during 1845,

In 1861 the Burke and Wills expedition passed nearby.

Opal was discovered in the area in the late 19th century.