Ōhinerau / Mount Hobson is a 143 m high volcanic cone and Tūpuna Maunga in the Auckland volcanic field in Auckland, New Zealand. Located in the Remuera suburb, to the east of the Newmarket commercial suburb, it has been extensively modified by human use, first by Māori for use as a pā and later by use as quarry and pasture land before finally having …Ōhinerau / Mount Hobson is a 143 m high volcanic cone and Tūpuna Maunga in the Auckland volcanic field in Auckland, New Zealand. Located in the Remuera suburb, to the east of the Newmarket commercial suburb, it has been extensively modified by human use, first by Māori for use as a pā and later by use as quarry and pasture land before finally having a water reservoir installed in its cone to supply the surrounding area. An additional, partially buried, water reservoir was built on the low southern side of the mountain in 1955. English oaks and pōhutukawa are the most common trees on the hill.