Australian geology is such a tease. Just when you think you’ve seen it all – the ocean stacks of the Twelve Apostles, the alpine topography of the Tasmanian Highlands, the Outback monolith of Uluru – you venture up to the far north only to encounter the most extraordinary sight of the lot.
Purnululu National Park is based in Western Australia’s far-flung Kimberley region. The park covers an area of almost 2,400 sq km, which is roughly the size of England’s Lake District,
