metres, although some books may confuse these figures (e.g. 50 feet.). With an estimated volume of , it is stated to have the second biggest trunk by volume; however, the biggest tree by volume is the Tāne Mahuta, which is also in the Waipoua Forest with a volume of . Its measurements are listed in the table below. Important note: all the measurements above were taken in 1971. The most recent measurements may be found on the New Zealand Tree Register. Tourism The tree attracts about 50,000 visitors every year. To help prevent the spread of the kauri dieback disease, Phytophthora agathidicida, tourists must clean their footwear at a wash station before and after visiting the bush, and keep to the tracks. See also Agathis australis List of individual trees List of oldest trees References Kaipara District Trees of New Zealand Individual kauri trees Individual trees in New Zealand Oldest trees