Lakes380 - Our Lakes' Health: past, present, future is a five-year (2017-2022) New Zealand research programme funded by an Endeavour Fund grant from the Ministry of Business, Innovation and Employment. The aim of the project is to determine the health, wellness, and history of about 10 per cent of New Zealand's 3800 lakes by collecting surface water and sediment samples and sediment cores and using many different techniques including environmental DNA (eDNA), and other core scanning methods to analyse them. By drawing on both traditional Māori knowledge and biophysical science, it is intended to provide a public resource that will assist the development of restoration and management plans for these lakes. The project is jointly led by GNS Science and the Cawthron Institute and works with a