Parengarenga Harbour
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Parengarenga Harbour is a natural harbour close to the northernmost point on the North Island of New Zealand. Located at the northern end of the Aupouri Peninsula, it extends inland for over 10 kilometres, almost severing the northern tip of the island from the rest of the peninsula. The island's northernmost point, at the Surville Cliffs is only three kilometres north of the harbour.
The sandspit at the southern arm of Parengarenga Harbour is among only a handful of sites in New Zealand that is a source of sand with a high silica content and very few impurities (less than 2%), that is highly valued in the manufacture of glass. The sand is blindingly white to look at.