Willalooka is a small service town and locality in the Limestone Coast region of South Australia.

Christmas Rocks Conservation Park is north of the town adjacent to the highway.

Near Willalooka is the Darwent Waterhole, called by the local Aborigines kongal, meaning 'water mallee'.

[8] Not to be confused with Joseph Darwent (c. 1824 – 20 October 1872), an English accountant, secretary of the Adelaide City and Port Railway Company, then partner in Darwent & Dalwood who contracted for the northernmost section of the Overland Telegraph Line.

(1847 – 10 August 1926), from Sheffield, who had a property near Coonawarra and lived in Penola, where he was a member of the District Council for 35 years and Chairman for 25.