The sandstone ridge where Blaxland, Larson and Wilson discovered passage over the Blue Mountains is triangular. This provides two panoramas of Hartley Valley: towards the west (shown earlier) and this northern vista. In 1815, Lachlan Macquarie, the 5th Governor of NSW (1810 to 1821), named the plateau you are standing on Mount York. This was a tribute to the Duke of York and Albany, a title of Great Britain nobility appointed by the monarch from 1716 until 1827. Mount York has an elevation of 3,481 feet.