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.
Bay of Plenty foreign (planted) forest areas are found in the inland parts of the region. The Kaingaroa Forest is the world's largest planted forest, comprising radiata pine mainly used for timber. The bay contains numerous islands, notably the active volcano Whakaari / White Island, which lies 50 kilometres from the coast in the eastern bay. Other large islands include (from west to east) Matakana Island, Mayor Island / Tuhua, Motiti Island, and Moutohora Island. The Waimangu Geyser – to be seen 1900–1904 – erupted frequently, was the most powerful geyser of the world and killed 4 people in 1903. In the 2006