RV Friendly Parking Southern Cross Western Australia. Southern Cross is a small town in Western Australia located app. 370 kilometres east of WA’s state capital Perth on the Great Eastern Highway. It was discovered by gold prospectors in 1888, and gazetted in 1890. Southern Cross is the major town and administrative centre of the Shire of Yilgarn and has a population of around 700. There is a dump point located at the end of Achernar Street, Southern Cross which is free for any travellers to use. Potable water is available on the opposite side of the road which dispenses 20L of water for 10 cents – users must supply their own hose connection if required. There is also a general waste and recycling bin to dispose of rubbish. RV Friendly stays for fully self-contained recreational vehicles (maximum stay 1 night only) is available at the Old Information Bay, cnr Great Eastern Hwy & Three Boys Rd at no cost. Pets are OK is kept on a lead and under control at all times.