Auckland Volcanic Field Project #9. Mātanginui (Greenmount or Green Hill) ChrisMarch 5, 2024March 5, 2024 Date visited: 2 February 2022 Elevation: 78m Volcanic history Mātanginui (or Greenmount, or Green Hill) is a scoria cone volcano that erupted approximately 20,000 years ago. In more recent times,...
