How many cones formed Maungawhau-Mt Eden?

Some archaeologists and geologists have suggested that Maungawhau consists of three or four overlapping scoria cones. New research by geologists Bruce Hayward and Garry Carr points to a different conclusion. 

 
Join Dr Hayward's guided tour on Love Your Mountain Day, Sunday 8 December, to find out more. Gather at the visitor centre (old kiosk) on Maungawhau for a 12:30pm start. Full programme here.