Explore the map to locate Three Sisters on world map, Three Sisters are an extraordinary rock arrangement in the Blue Mountains of state of New South Wales in Australia, located on the north steep slope of the Jamison Valley. Three Sisters are situated close to the Katoomba town and known as one of the best known sites of Blue Mountains, standing above the Jamison Valley. Three Sisters names are Gunnedoo (906 meters), Wimlah (918 meters), and Meehni (922 meters).