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newzealand.com
You don't have to travel far to find yourself on another planet. The Putangirua Pinnacles are just an hour's drive from Martinborough.
Around seven million years ago, the Aorangi Range was an island. As the mountains eroded, scree and gravel were washed down to the coast, where they formed a sedimentary layer. Over the past 120,000 years, the Putangirua Stream has exposed this ancient layer of gravel to the erosive forces of rain and floods. Some of the sediments stayed concreted together, while others washed away. The result is the Putangirua Pinnacles 'an amazing collection of hoodoos'.