Wainui River (Bay of Plenty) river. Wainui River (Bay of Plenty) The Wainui River is a river of the Bay of Plenty Region of New Zealand's North Island. It flows north from the Kaimai Range to reach Tauranga Harbour south of Katikati. The catchment has of stream margins. 41% of the catchment remains covered in native bush, but 48% is under pasture and suffers soil erosion. The river includes 3 waterfalls of up to , which have been kayaked. The long former East Coast Main Trunk railway bridge is designated as the limit of the Coastal Marine Area. Downstream, a 3-span bridge takes SH2 over
Bay of Plenty Steamers The quarter finals were scrapped from 2009. Bay of Plenty would have mixed results in 2010. They would win seven of thirteen matches including a rare win in Wellington. Disappointing losses to Tasman and Northland would see Bay of Plenty finish in 6th position. In 2011 Bay of Plenty competed in the new reformatted ITM Cup Premiership. It was also Bay of Plenty's rugby centenary year. Bay of Plenty would have significant wins over Waikato (36–8), Wellington (32–0) and Canterbury (35–31) to see the Steamers finish 4th. However, due to the 2011 Rugby World Cup the semi-finals were scrapped. 2012