Lexi Webster
Australia is home to an extraordinary variety of trees, with over 820 species of eucalypts alone. The tallest tree in Western Australia is a matter of some debate, but the Eucalyptus regnans, or mountain ash, is the tallest species in the country. The tallest individual tree in Australia is named Centurion, a Eucalyptus regnans located in Tasmania, which stands at 99.8 metres tall. Tasmania is home to many of the tallest trees in Australia, with 16 of the top 20 tallest trees in the country.
| Characteristics | Values |
|---|---|
| Name of the tallest tree | Centurion |
| Species | Eucalyptus regnans |
| Height | 96 metres (as of 2025) |
| Diameter | 4.05 metres |
| Girth | Exceeds 12 metres |
| Volume | 268 cubic metres |
| Location | Forests behind Geeveston, Tasmania |
| Discovery | August 2008 |
| Discovered by | Employees of Forestry Tasmania |
| Method of discovery | Analysing data collected by LiDAR system |
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What You'll Learn
Tallest tree in Western Australia: Red Tingle
Red Tingle trees are unique to Western Australia and can only be found in and around Walpole-Nornalup National Park. Unfortunately, I cannot find the exact height of the tallest Red Tingle tree in Western Australia, but it is worth noting that the tallest trees in Australia are all Mountain Ash trees, ranging in height from 90m to 100m. Tasmania is home to 16 of the tallest trees, while the remaining four are in Victoria.
The tallest tree in Australia is Centurion, a Eucalyptus regnans tree in Tasmania. It was last officially measured at 99.8m tall, but unconfirmed measurements suggest it may now be over 100m. Centurion is named after the Roman officers, with the name containing the Latin word for "one hundred", centum.
Eucalyptus trees, also known as eucalypts, are native to Australia and are some of the tallest trees in the world. Only trees in North America and Borneo rival the size of Australia's native eucalypts, some of which reach almost 100m in height. The tallest growing tree species in the world is the coast redwood, followed by the Himalayan cypress and Eucalyptus regnans.
The tallest Blue Gum tree in the world, named Lathamus Keep, was discovered in Tasmania and measures 80m tall. Blue Gum trees are also a type of Eucalyptus tree.
While Western Australia may not be home to the tallest trees in Australia, it is known for its unique Red Tingle trees, which are a significant part of the region's biodiversity. These trees are an important part of the culture and history of Western Australia and are protected within the Walpole-Nornalup National Park.
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Australia's tallest tree species: Mountain Ash
Australia's tallest tree species is the Mountain Ash, or Eucalyptus regnans. It is native to the Australian states of Tasmania and Victoria and grows mostly in cool, mountainous areas that receive high levels of rainfall. Mountain Ash trees can reach heights of up to 90 metres (300 feet) and have a circumference of around 7.5 metres (24.5 feet). The tallest measured living specimen, named Centurion, stands at 100 metres (328 feet) tall in Tasmania. However, due to the 2019 Tasmania fires, Centurion has since lost 4 metres in height and now measures 96 metres tall.
Mountain Ash trees have straight trunks with smooth grey bark and glossy green, lance-shaped to curved adult leaves. The flowers of the Mountain Ash grow in groups of between nine and fifteen and are white, while the fruit is cup-shaped or conical. The species is the tallest of all flowering plants and possibly the tallest of all plants, although no living specimens can claim this title. Mountain Ash forests in Victoria's Central Highlands have been found to be extremely effective at locking up carbon, with one study finding that a forest located in the O'Shannassy River catchment held 1,867 tonnes per hectare of carbon.
The Mountain Ash was first formally described in 1871 by Victorian botanist Ferdinand von Mueller, who noted that it was the "loftiest tree in British Territory." The species is highly valued for its timber, and at the Centennial International Exhibition in Melbourne in 1888, a reward was offered to anyone who could locate a tree taller than 122 metres. The tallest identified at the time was a Mountain Ash on Mount Baw Baw, which measured 99.4 metres.
Mountain Ash trees have faced significant threats due to logging and bushfires, and their numbers have declined since European settlement. The species does not possess a lignotuber and is often killed by fire, regenerating from seed. The majority of the endangered Leadbeater's possum population lives in Mountain Ash forests, and these trees provide crucial habitat for birds and animals that depend on tree hollows. Conservation efforts, such as the protection of specific sections of forest and the creation of public walkways, have been undertaken to preserve these majestic trees.
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Tasmania's tallest tree: Centurion
Tasmania is home to Centurion, a Eucalyptus regnans tree that stands tall at 96 metres (315 ft) as of 2025. It is located in Southern Tasmania, in the Huon Valley, about 1.5 hours' drive south from Hobart. The tree was discovered in August 2008 by employees of Forestry Tasmania while analysing data collected by the LiDAR system used in mapping and assessing state forest resources.
Centurion is not just Tasmania's tallest tree but also the tallest flowering plant on Earth. It was first measured in 2008 at 99.6 metres (327 ft) tall, using a climber-deployed tapeline. In 2014, a tape drop measurement indicated that the tree had grown to 99.82 metres. However, a subsequent tape drop measurement in 2016 recorded a slightly lower height of 99.67 metres.
In December 2018, Centurion was re-measured using ground laser technology and was found to have reached a height of 100.5 metres (330 ft). This discovery placed Eucalyptus regnans as the third-tallest tree species in the world, after the coast redwood and the Himalayan cypress. The tree's diameter is 4.05 metres, its girth exceeds 12 metres, and its volume is estimated at 268 cubic metres.
Unfortunately, due to the 2019 Tasmania fires, Centurion lost 4 metres in height by 2025, with many nearby trees perishing in the fire's aftermath. Despite this loss, Centurion remains an impressive and significant tree, standing tall among the ancient forest of Tasmania. The route to the tree is not a constructed track, and visitors are advised to come prepared with good navigation skills and disinfection equipment to protect the fragile ecosystem surrounding Centurion.
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Centurion's height: 100.5 metres
Centurion, a Eucalyptus regnans tree in Southern Tasmania, Australia, stands at an impressive height of 100.5 metres (330 ft). This height was determined by a ground laser measurement in 2018, with earlier measurements in 2014 and 2016 using a tape drop method yielding slightly lower heights of 99.82 m and 99.67 m, respectively. Unfortunately, due to the 2019 Tasmania fires, Centurion's height was reduced to 96 meters by 2025, a loss of 4 meters.
Centurion's height places it among the tallest tree species in the world. It is named after centurions, Roman officers, with the root of the name containing "centum," the Latin word for "one hundred." The name was given to the tree as it was the hundredth noble tree discovered by Forestry Tasmania. Centurion is located in a small patch of very old forest surrounded by secondary forest and has survived logging and fires.
Eucalyptus regnans, also known as swamp gum or mountain ash, is the tallest tree species in Australia. The top 20 tallest trees in the country are all Eucalyptus regnans, ranging in height from 90 to 100 meters. Tasmania is home to 16 of these majestic giants, with the remaining four located in Victoria.
The discovery of Centurion highlights the importance of preserving these ancient trees. They hold significance in First Nations and Western cultures and are sacred sites for birthing practices of First Nations women. However, they face threats from fire, logging, and climate change, which have led to a decline in the height and number of tall trees over time.
While Centurion's exact location is not generally publicized, its height of 100.5 meters makes it a remarkable example of the Eucalyptus regnans species and a testament to the natural wonders of Tasmania and Australia.
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Tallest tree in the world: Coast Redwood
Coast redwoods are the tallest trees in the world. The tallest known living tree, named Hyperion, measures 116.07 metres (380.8 ft) tall and was discovered in 2006 in a remote area of Redwood National Park in California. The tree was named after the titan Hyperion from Greek mythology.
Redwoods are known for their thick, spongy bark, which is fire-resistant and can reach 1.2 metres thick at the base of the tree. Their bark, along with their water-based sap, helps protect them from flames. As redwoods grow, they lose their lower branches, which prevents fires from spreading to the canopy. Coast redwoods also have the unique ability to re-sprout from their bases if the upper tree is damaged by fire.
Fires are vital to a giant redwood forest. The ashes left behind by fires are the perfect fertiliser for redwood seeds to grow in. Redwoods are long-living trees that can survive for thousands of years.
The tallest tree in Western Australia is a Eucalyptus regnans tree named Centurion, which stands at 100.5 metres (330 ft) tall.
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Frequently asked questions
Red Tingle is a tree that can only be found in Western Australia, in and around Walpole-Nornalup National Park. However, it is not mentioned how tall this tree can grow. The tallest tree in Australia is Centurion, a Eucalyptus regnans tree growing in Southern Tasmania, which stands at 96 meters tall.
The name "Centurion" was given to the tree as it was the hundredth noble tree discovered by Forestry Tasmania. It is named after centurions, Roman officers, as the term contains the Latin word "centum", which means "one hundred".
The height of Centurion was first measured using a climber-deployed tapeline, which recorded the height at 99.6 meters. It was then re-measured using a ground laser, which found its height to be 100.5 meters.
