Wiri Lava Cave
From Infogalactic: the planetary knowledge core
Wiri lava cave is one of Auckland's longest lava caves at around 290 metres. It is part of Matukutūruru (Wiri Mountain) volcano, in the Auckland volcanic field. Because it features rare lava stalactites the cave has garnered international renown. The cave entrance is locked and entry is by permit only.
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