What is the tallest tree ever measured?
The tallest tree ever measured was an Australian eucalyptus (Eucalyptus regnans) at Watts River, Victoria, Australia. In 1872, it was reported to measure 435 feet tall. It was most likely over 500 feet at its tallest point. According to the National Geographic Society, the tallest living tree is a coast redwood (Sequoia sempervirens) in Redwood National Park, California. In October 1991, its height was measured at 365 feet. Source: The Guinness Book of Records 1996, p. 45.