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
Radio Bay of Plenty the station. Its original slogan included the words "from the Eastern Bay of Plenty, wherever you may go, the entertainment's better when you dial 1 2 4 0". Broadcasting Minister H.J. Walker officially opened the station at 10.30am on Wednesday 30 June 1971. It initially broadcast 19.5 hours of live original local content from 5.00am to 12.30am each day with additional 24-hour licenses granted during some summer holiday seasons. The station was not allowed to broadcast advertising on Sundays and did all its own local and international news and sports reporting. It gave away one of the country's first colour