Exmouth is a town on the tip of the North West Cape in Western Australia. The town is located 1,270 kilometres (789 mi) north of the state capital Perth and 3,366 kilometres (2,092 mi) southwest of Darwin.The town was established in 1967 to support the nearby United States Naval Communication Station Harold E. Holt. Beginning in the late 1970s, the town began hosting U.S.