The Arms of Australia Inn was an important stopping place on the Great Western Highway for those crossing the Blue Mountains. There is no conclusive evidence as to when the inn was built. In 1841 John Mortimer was the first licensee of the inn, but did not own the land until 1846. It then became the private home of Thomas Ellison who left it to his daughter Sarah and her husband James Hunter. The property is now owned by Penrith City Council and is occupied by the Nepean District Historical Society and their museum. This photograph shows the inn being renovated.