Tongariro river flows may be higher February 11th, 2020 2008-09-17T15:02:54+12:00 Genesis Energy advise that due to recent rain, the flow in the Tongariro River below Rangipo Dam on Sunday 21 September will be at natural flows. Please note these may be higher than the 30 cumecs advertised. Rangipo Power Station will not be in operation and Genesis Energy has no control over flows in this section of the river. Assess the conditions for yourself before entering the river. For more flow information see Flowphone +64 7 386 8113 and http://www.hydro.genesisenergy.co.nz/Tongariro_map.asp (both updated hourly). Access