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 Rugby Union the captain of the legendary 1905 All Black Originals, grew up in Katikati. But it was not until 1911 that a separate Bay of Plenty Rugby Football Union was established. Before then Bay of Plenty was included within the South Auckland union. Bay of Plenty-based players were amongst the most prominent in the formative years of the game, but it was not until 1911 that the Bay of Plenty union was fully affiliated to the national body. Up until this time the BOP union was included within the South Auckland union boundaries. As the boundaries of the new union grew,