It's one of our most photographed natural attractions, but what lay beneath the surface of Lake Wānaka was largely unknown.
That was until now, thanks to a high detail mapping project by NIWA.
Emile Donovan speaks to NIWA scientist Dr Joshu Mountjoy about the project.
Close-up image of bathymetry data for the southern part of Lake Wānaka. Photo: NIWA / Sam Davidson
