Kathu is a town in South Africa, and the iron ore capital of the Northern Cape province. Its name means "town under the trees", after the Ca…Kathu is a town in South Africa, and the iron ore capital of the Northern Cape province. Its name means "town under the trees", after the Camel Thorn forest it is situated in. The phrase "the town under the trees" was coined by an engineer working in the town in the early-1990s as part of a tourist marketing drive, together with the accompanying graphic. It was intended to be a marketing slogan. The meaning of the word "Kathu" has anecdotically been attributed to a porridge brewed by the local population from the powder found in the pods of the Camel Thorn trees.