Tarahi is a high andesite volcano, in the Kaikohe-Bay of Islands volcanic field in New Zealand that was never a pā. Northwest of Tarahi is a smaller, basaltic scoria cone, Haruru pā, before the higher cone of Te Ahuahu. To its immediate east is Putahi and the location of a famous battle of the Flagstaff War adjacent to Lake Ōmāpere.
Although mostly covered in pasture, it has some native forest on its slopes and a telecommunications facility.
Geology It is a breached scoria cone about above its Tarahi andesite lava flows which cover about . This flow in turn is covered in part by younger features to the south of the Waimimiti scoria mounds and the lava flows from the Maungaturoto volcanic cone to the east.
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