World Heritage Identification Number: 486
World Heritage since: 1988
Category: Natural Heritage
WHE Type: Natural Landscapes & Geographic Features
Transboundary Heritage: No
Endangered Heritage: No
Country: 🇦🇺 Australia
Continent: Oceania
UNESCO World Region: Asia and the Pacific
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The Wet Tropics of Queensland: A Biodiverse Treasure Trove
The Wet Tropics of Queensland, located along the northeast coast of Australia, spans approximately 8,940 square miles (23,150 square kilometers). This region, inscribed as a UNESCO World Heritage Site in 1988, is renowned for its rich biodiversity and unique ecosystems.
More to come…UNESCO Description of the World Heritage Site
This area, which stretches along the north-east coast of Australia for some 450 km, is made up largely of tropical rainforests. This biotope offers a particularly extensive and varied array of plants, as well as marsupials and singing birds, along with other rare and endangered animals and plant species.
UNESCO Justification of the World Heritage Site
Criterion (vii): The Wet Tropics exhibit exceptional natural beauty, with superlative scenic features highlighted by extensive sweeping forest vistas, wild rivers, waterfalls, rugged gorges and coastal scenery. This is particularly apparent between the Daintree River and Cedar Bay, where exceptional coastal scenery combines tropical rainforest and white sandy beaches with fringing offshore coral reefs. The winding channels of the Hinchinbrook Channel contain the most extensive mangroves in the region, providing a rich visual mosaic of rainforest and mangroves, and a terrestrial continuum with the Great Barrier Reef.
Criterion (viii): The Wet Tropics contains one of the most complete and diverse living records of the major stages in the evolution of land plants, from the very first pteridophytes more than 200 million years ago to the evolution of seed-producing plants including the cone-bearing cycads and southern conifers (gymnosperms), followed by the flowering plants (angiosperms). As the Wet Tropics is the largest part of the entire Australasian region where rainforests have persisted continuously since Gondwanan times, its living flora, with the highest concentration of primitive, archaic and relict taxa known, is the closest modern-day counterpart for Gondwanan forests. In addition, all of Australia’s unique marsupials and most of its other animals originated in rainforest ecosystems, and the Wet Tropics still contains many of their closest surviving members. This makes it one of the most important living records of the history of marsupials as well as of songbirds.
Criterion (ix): The Wet Tropics provides outstanding examples of significant ongoing ecological processes and biological evolution. As a centre of endemism for the region (second only to New Caledonia in the number of endemic genera per unit area), the Wet Tropics provides fundamental insights into evolutionary patterns both in isolation from and in interaction with other rainforests. Its tall, open forests on the drier western margins of the rainforest are also significant as part of an evolutionary continuum of rainforest and sclerophyll forests. Eucalypts, that now dominate the Australian landscape, are considered to have evolved from such rainforest stock and radiated into drier environments from the margins of closed forests. The area supports an exceptionally high level of diversity of both flora and fauna, with over 3,000 vascular plant species in 224 families, of which 576 species and 44 genera are endemic, including two endemic plant families. Vertebrate diversity and endemism are also very high, with 107 mammal species including 11 endemic species and two monotypic endemic genera. In terms of avifauna, there are 368 bird species, of which 11 species are endemic. For reptiles, there are 113 species of which 24 species are endemic, including three monotypic endemic genera. The diversity of amphibians includes 51 species of which 22 are endemic.
Criterion (x): The Wet Tropics holds a largely intact flora and fauna with hundreds of endemic species restricted to the property, of which many are classified as threatened. The majority of plant species have restricted distributions, and many monotypic plant genera and several species of marsupials, frogs and reptiles have very restricted distributions either as isolated or disjunct populations, reflecting the refugial nature of the rainforests found in several locations. The diversity of the plant communities and animal habitats of the Wet Tropics is recognised as being the most floristically and structurally diverse in Australia and is also outstanding on a global scale. Among many emblematic species occurring in the property is the flightless Australian cassowary, one of the largest birds in the world. In an Australian context, the Wet Tropics covers less than 0.2% of Australia, but contains 30% of the marsupial species, 60% of bat species, 25% of rodent species, 40% of bird species, 30% of frog species, 20% of reptile species, 60% of butterfly species, 65% of fern species, 21% of cycad species, 37% of conifer species, 30% of orchid species and 18% of Australia’s vascular plant species. It is therefore of great scientific interest and of fundamental importance to conservation. Although the Wet Tropics is predominantly wet tropical rainforest, it is fringed and in a few places dissected by sclerophyll forests, woodlands, swamps and mangrove forests, adding to its diversity.
Encyclopedia Record: Wet Tropics of Queensland
The Wet Tropics of Queensland World Heritage Site is an area of approximately 8,940 km2 (3,450 sq mi) of very wet forests on parts of the coast and adjacent ranges of tropical Queensland, Australia. The area meets all four of the natural heritage selection criteria for a World Heritage site. World Heritage status was declared in 1988, and on 21 May 2007 the Wet Tropics was added to the Australian National Heritage List.Additional Site Details
Area: 893,453 hectares
Number of Components: 14
(viii) — Outstanding example representing major earth stages
(ix) — Outstanding example representing ecological and biological processes
(x) — Contains most important habitats for biodiversity
Coordinates: -15.65 , 144.9666667
IUCN World Heritage Outlook
The 2025 Conservation Outlook on Wet Tropics of Queensland reports the following assessment:
Source: International Union for Conservation of Nature (IUCN) · View assessment
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© User:Diliff, CC BY-SA 2.5 Resized from original. (This derivative is under the same CC BY-SA license.)
World Heritage Research
Discover scientific research and academic studies that deepen our understanding of Wet Tropics of Queensland from its history and significance to its conservation, management, and contemporary challenges.
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Biophysical impacts and psychosocial experiences associated with use of selected long-distance walking tracks within the Wet Tropics region of North Queensland, Australia
A multidisciplinary study of long-distance walking tracks in the UNESCO-listed Wet Tropics of Queensland revealed significant but localized biophysical impacts, particularly track widening, erosion, and human littering, with seasonal variations in severity. The research also identified key psychosocial factors influencing hiker experiences, such as crowding, feral animals, and inadequate wayfinding. Using a human-environment transactional model, the study confirmed that impacts are interconnected—affecting both the environment and visitor satisfaction—and provided actionable management recommendations for mitigating negative effects while enhancing recreational experiences.
Young, N. G. R. (2006). Biophysical impacts and psychosocial experiences associated with use of selected long-distance walking tracks within the Wet Tropics region of North Queensland, Australia [James Cook University]. https://doi.org/10.25903/8DJD-GW68
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A new giant species of Acrophylla Gray, 1835 (Phasmida: Phasmatidae: Phasmatini) from the highlands of the Wet Tropics, Queensland, Australia.
Researchers have uncovered a new, giant species of phasmid, Acrophylla alta, within the UNESCO-listed Wet Tropics of Queensland, Australia. This discovery highlights the region's rich biodiversity and adds to the diversity of the genus Acrophylla. The study involved targeted field surveys during the wet season to identify suitable habitats for this species, which was described based on female specimens and eggs. A comparative key is also provided to distinguish it from other similar species in the genus. Known food plants and habitat types are documented, contributing to our understanding of this unique phasmid's ecological role.
COUPLAND, R. M., & EMMOTT, A. J. (2025). A new giant species of Acrophylla Gray, 1835 (Phasmida: Phasmatidae: Phasmatini) from the highlands of the Wet Tropics, Queensland, Australia. Zootaxa, 5647(4), 371–383. https://doi.org/10.11646/zootaxa.5647.4.4
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Reassessment of the subspecific status of the Australian Wet Tropics yellow-bellied glider, Petaurus australis
A new subspecies of the yellow-bellied glider (Petaurus australis) has been identified within the Wet Tropics of Queensland, Australia. This distinct population, recognized for its smaller size, proportionally shorter face, and paler belly, was found to be genetically isolated from other Australian populations through analyses of mitochondrial and nuclear genes. Phylogenetic and molecular clock studies suggest this isolation spans multiple ice age cycles, reinforcing its subspecific status. The findings have significant implications for conservation efforts, particularly for the Endangered Wet Tropics population, necessitating targeted management strategies.
Cooper, S. J. B., Travouillon, K. J., Helgen, K. M., Saint, K., Russell, R., & Winter, J. (2023). Reassessment of the subspecific status of the Australian Wet Tropics yellow-bellied glider, Petaurus australis. Australian Mammalogy, 45(2), 220–236. https://doi.org/10.1071/am22022
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Coral reefs, cloud forests and radical climate interventions in Australia’s Wet Tropics and Great Barrier Reef
A groundbreaking study identifies synergies and risks among four radical climate interventions—adaptation, solar geoengineering, forestry and ecosystem restoration, and carbon removal—to protect Australia’s Wet Tropics of Queensland World Heritage Area and the Great Barrier Reef. The research reveals that while these approaches can be coupled to enhance climate resilience, they also present complex trade-offs and multi-scalar effects. Conducted through 23 expert interviews and site visits, the study challenges conventional categorizations of climate action and offers lessons for global communities facing similar challenges.
Sovacool, B. K., Baum, C. M., Low, S., & Fritz, L. (2023). Coral reefs, cloud forests and radical climate interventions in Australia’s Wet Tropics and Great Barrier Reef. PLOS Climate, 2(10), e0000221. https://doi.org/10.1371/journal.pclm.0000221
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Promoting the inclusion of Indigenous knowledge in natural resource management: a case study from the Wet Tropics of Queensland, Australia
Indigenous knowledge (IK) should be conceptualized as a worldview to effectively integrate it into natural resource management (NRM), according to a study from the Wet Tropics of Queensland, Australia. The research, conducted in collaboration with local Indigenous communities, found that integrating IK and science requires addressing epistemological recognition, developing collaborative validation platforms, and aligning environmental values and ethics. The study proposes an indigenous worldview-informed monitoring system for freshwater environments and argues that indigenizing NRM could enhance its sustainability. It also highlights the importance of a constructivist approach to knowledge production in ensuring true representation of IK in cross-cultural NRM.
Gratani, M. (2015). Promoting the inclusion of Indigenous knowledge in natural resource management: a case study from the Wet Tropics of Queensland, Australia [James Cook University]. https://doi.org/10.25903/75G0-MY68
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Leptospirosis is an emerging infectious disease of pig-hunting dogs and humans in North Queensland
Approximately one quarter (26%) of unvaccinated pig-hunting dogs in North Queensland, Australia, tested positive for Leptospira spp., with the dominant serovar being Australis. While vaccination appeared less effective, 73% of vaccinated dogs also showed seropositivity. The study, which analyzed serum samples and surveyed dog owners, found that pig hunters may face a higher risk of leptospirosis compared to the general population. Human cases were concentrated in the Wet Tropics region, with serovar Arborea being the most common (10.9%), while Topaz emerged as a significant serovar in both humans and dogs—a previously unrecorded finding in Australian dogs. The research highlights the need for a 'one health' approach to manage this emerging zoonotic disease, given shifting climatic patterns that influence human-animal-environment interactions.
Orr, B., Westman, M. E., Malik, R., Purdie, A., Craig, S. B., & Norris, J. M. (2022). Leptospirosis is an emerging infectious disease of pig-hunting dogs and humans in North Queensland. PLOS Neglected Tropical Diseases, 16(1), e0010100. https://doi.org/10.1371/journal.pntd.0010100
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White-footed dunnarts (Sminthopsis leucopus) in Queensland’s Wet Tropics, with the description of a new subspecies
Researchers have identified and described a new subspecies of white-footed dunnart (Sminthopsis leucopus) inhabiting the Wet Tropics of Queensland, Australia. This population, genetically distinct from its conspecifics in temperate regions like New South Wales, Victoria, and Tasmania, exhibits significant divergence with estimates ranging from 2.3–4.8%. The discovery was supported by genetic analysis of the mitochondrial Cytochrome b gene, morphological assessments, and habitat differences. Given its small distribution, low density, and tropical upland location, the subspecies is proposed for Endangered conservation status due to potential threats, particularly from climate change.
Lavery, T. H., Collett, R., Fisher, D. O., Hoskin, C. J., & Rowland, J. (2022). White-footed dunnarts (Sminthopsis leucopus) in Queensland’s Wet Tropics, with the description of a new subspecies. Australian Mammalogy, 45(1), 77–90. https://doi.org/10.1071/am22002
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