Tongariro River at natural flow February 11th, 2020 2012-04-11T15:58:27+12:00 Access 10 on the Tongariro River (below Poutu Intake) will be flowing at natural flow from 16 to 28 April, while Genesis Energy undertakes routine maintenance at Tokaanu Power Station. For river flow see http://www.genesisenergy.co.nz/genesis/generation/rivers-lakes-and-rainf… Access