Bay of Islands years ago, the Mataatua, one of the large Māori migration canoes which journeyed to New Zealand from Hawaiki, was sailed to the Bay of Islands (from the Bay of Plenty) by Puhi, a progenitor of the Ngāpuhi iwi (tribe) which today is the largest in the country. Māori settled and multiplied throughout the bay and on several of its many islands to establish various tribes such as the Ngāti Miru at Kerikeri. Many notable Māori were born in the Bay of Islands, including Hone Heke who several times cut down the flagpole at Kororāreka (Russell) to start the Flagstaff War.
Lake Rotoiti (Bay of Plenty) divert the nutrient rich waters of Lake Rotorua into the Kaituna River was completed in late 2008. The Bay of Plenty Regional Council expected to see improvement in lake water quality within five years and the Rotorua Te Arawa Lakes Program reported in 2013 that the intervention has significantly improved water quality. Water quality is the highest it has been in decades, on track to meet targets set by the Program to meet community expectations. Lake Rotoiti has thermal hot-spring baths on the southern shore which are accessible by boat. Lake Rotoiti (Bay of Plenty) Lake Rotoiti is a lake