The Three Parallel Rivers of Yunnan Protected Areas () is a

UNESCO World Heritage Site World Heritage Sites are landmarks and areas with legal protection under an treaty, international treaty administered by UNESCO for having cultural, historical, or scientific significance. The sites are judged to contain "cultural and natural ...

Yunnan Yunnan; is an inland Provinces of China, province in Southwestern China. The province spans approximately and has a population of 47.2 million (as of 2020). The capital of the province is Kunming. The province borders the Chinese provinces ...

province, China. It lies within the

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

s of the upper reaches of the Jinsha (

Yangtze The Yangtze or Yangzi ( or ) is the longest river in Eurasia and the third-longest in the world. It rises at Jari Hill in the Tanggula Mountains of the Tibetan Plateau and flows including Dam Qu River the longest source of the Yangtze, i ...

), Lancang (

Mekong The Mekong or Mekong River ( , ) is a transboundary river in East Asia and Southeast Asia. It is the world's twelfth-longest river and the third-longest in Asia with an estimated length of and a drainage area of , discharging of wat ...

) and Nujiang ( Salween) rivers, in the Yunnan section of the

Hengduan Mountains The Hengduan Mountains () are a group of mountain ranges in southwest China, southwest China that connect the southeast portions of the Tibetan Plateau with the Yunnan–Guizhou Plateau. The Hengduan Mountains are primarily large north-south ...

Overview

Geography

The protected areas extend over 15 core areas, totalling 939,441.4 ha, and buffer areas, totalling 758,977.8 ha across a region of 180 km by 310 km. Here, for a distance of over 300 km, three of Asia's great rivers run roughly parallel to one another though separated by high mountain ranges with peaks over 6,000 meters. After this area of near

confluence In geography, a confluence (also ''conflux'') occurs where two or more watercourses join to form a single channel (geography), channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main ...

, the rivers greatly diverge: the Nujiang River becomes Salween and empties out at

Moulmein Mawlamyine (also spelled Mawlamyaing; , ; ; , ), formerly Moulmein, is the fourth-largest city in Myanmar (Burma), ''World Gazetteer'' southeast of Yangon and south of Thaton, at the mouth of Thanlwin (Salween) River. Mawlamyine was an ancien ...

Burma Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and ha ...

, into the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or approximately 20% of the water area of Earth#Surface, Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia (continent), ...

; the Lancang becomes the

and empties at south of

Ho Chi Minh City Ho Chi Minh City (HCMC) ('','' TP.HCM; ), commonly known as Saigon (; ), is the most populous city in Vietnam with a population of around 14 million in 2025. The city's geography is defined by rivers and canals, of which the largest is Saigo ...

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

into the

South China Sea The South China Sea is a marginal sea of the Western Pacific Ocean. It is bounded in the north by South China, in the west by the Indochinese Peninsula, in the east by the islands of Taiwan island, Taiwan and northwestern Philippines (mainly Luz ...

; and the

flows into the

East China Sea The East China Sea is a marginal sea of the Western Pacific Ocean, located directly offshore from East China. China names the body of water along its eastern coast as "East Sea" (, ) due to direction, the name of "East China Sea" is otherwise ...

Shanghai Shanghai, Shanghainese: , Standard Chinese pronunciation: is a direct-administered municipality and the most populous urban area in China. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the ...

. Selected nature reserves and places of scenic beauty in this unique region were collectively awarded World Heritage Site status in 2003 for their very rich biodiversity and outstanding topographical diversity. Running parallel to these three rivers, slightly to the west, is the river gorge of the

N'Mai River The N'Mai River or N'Mai Hka (, ) is a river in northern Myanmar (Burma). The northern part of the river is sometimes referred to as the Nam Tamai. Course The N'Mai runs parallel to the Mali River, and has its source in the Himalayan glaciers of ...

, the main tributary to the

Irrawaddy River The Irrawaddy River (, , Ayeyarwady) is the principal river of Myanmar, running through the centre of the country. Myanmar’s most important commercial waterway, it is about 1,350 miles (2,170 km) long. Originating from the confluence of the ...

. About 100 kilometers to the west and northwest is the watershed of the Lohit River, a tributary of the

Brahmaputra River The Brahmaputra is a trans-boundary river which flows through Southwestern China, Northeastern India, and Bangladesh. It is known as Brahmaputra or Luit in Assamese language, Assamese, Yarlung Tsangpo in Lhasa Tibetan, Tibetan, the Siang/Dihan ...

and the greater Ganges-Brahmaputra system. Thus, in this unique mountainous region, adjacent headwaters feed five of Asia's most significant rivers; from east to west, they are: Yangtze, Mekong, Salween, Irrawaddy, and the Ganges-Brahmaputra. They are all among the top 15 rivers on the continent by volume or length.

Biology

In its description,

UNESCO The United Nations Educational, Scientific and Cultural Organization (UNESCO ) is a List of specialized agencies of the United Nations, specialized agency of the United Nations (UN) with the aim of promoting world peace and International secur ...

mentions: "(It) may be the most biologically diverse temperate region on earth" and "An exceptional range of topographical features - from

gorge A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tend ...

s to

karst Karst () is a topography formed from the dissolution of soluble carbonate rocks such as limestone and Dolomite (rock), dolomite. It is characterized by features like poljes above and drainage systems with sinkholes and caves underground. Ther ...

to glaciated peaks -- is associated with the site being at a 'collision point' of

tectonic plates Plate tectonics (, ) is the scientific theory that the Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago. The model builds on the concept of , an idea developed durin ...

". Due to its topography and geographical location, the ''Three Parallel Rivers'' region contains many climate types. Average annual precipitation ranges from 4,600 mm in the Dulongjian area in the west of Gongshan county to 300 mm in the upper valleys of the Yangtze river. The protected areas are home to around 6,000 species of plants, 173 species of mammals, and 417 species of birds. Many of the flora and fauna species are

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to the region.

Culture

The Three Parallel Rivers has been acknowledged as a ''natural'' World Heritage Site. Demographically, the region contains many of the twenty-five ethnic groups found in Yunnan province (including the Derung, the smallest of all of China's minority groups). Other minorities found in this region include the

Tibetan people Tibetans () are an East Asian people, East Asian ethnic group Indigenous peoples, native to Tibet. Their current population is estimated to be around 7.7 million. In addition to the majority living in the Tibet Autonomous Region of China, sig ...

, the

Nu people The Nu people (; alternative names include Nusu, Nùng people, Nung, Zauzou and Along) are one of the List of Chinese ethnic groups, 56 ethnic groups recognized by the People's Republic of China. Their population of 27,000 is divided into the Nor ...

, the Lisu, the Bai, the Pumi and the Naxi. Many of these minorities still use traditional costumes as their normal daily attire. In the same region as the Three Parallel Rivers of Yunnan Protected Areas lies the Old Town of Lijiang, which is also a World Heritage Site in its own right.

Protected areas

The Three Parallel Rivers of Yunnan Protected Areas consists of fifteen protected areas, in eight geographic clusters. The areas include: * The three separate sections of the Gaoligongshan National Nature Reserve * Haba Xueshan Nature Reserve, with the

Tiger Leaping Gorge Tiger Leaping Gorge () is a scenic canyon on the Jinsha River, a primary tributary of the upper Yangtze River. It is located north of Lijiang City, Yunnan in southwestern China. It is part of the Three Parallel Rivers of Yunnan Protected Areas Wo ...

* Bita Lake Nature Reserve, part of Pudacuo National Park, in Shangri-La County * Yunling Nature Reserve * Gongshan Scenic Area * Yueliangshan Scenic Area in Fugong County (also known as Stone Moon mountain) * Pianma Scenic Area in Lushui County * Baima- Meili Xue Shan—Meili Snow mountain range Reserve, with the highest peak, at , of the protected areas. * Julong Lake Scenic Area, in Deqin County * Laowoshan Scenic Area, in Fugong County * Hongshan Scenic Area, part of Pudacuo National Park in Shangri-La County * Qianhushan (Thousand Lake Mountain) Scenic Area, in Shangri-La County * Laojunshan Scenic Area, in Lanping Bai and Pumi Autonomous County

Flora and fauna

According to UNESCO "The area covered by the World Heritage site is claimed to be the most

biodiverse Biodiversity is the variability of life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and phylogenetic diversity. Diversity is not distributed evenly on Earth ...

and least disturbed

temperate In geography, the temperate climates of Earth occur in the middle latitudes (approximately 23.5° to 66.5° N/S of the Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ran ...

ecosystem An ecosystem (or ecological system) is a system formed by Organism, organisms in interaction with their Biophysical environment, environment. The Biotic material, biotic and abiotic components are linked together through nutrient cycles and en ...

s in the world".

Flora

The protected

terrestrial ecoregion An ecoregion (ecological region) is an ecological and geographic area that exists on multiple different levels, defined by type, quality, and quantity of environmental resources. Ecoregions cover relatively large areas of land or water, and c ...

areas of this

biodiversity hotspot A biodiversity hotspot is a ecoregion, biogeographic region with significant levels of biodiversity that is threatened by human habitation. Norman Myers wrote about the concept in two articles in ''The Environmentalist'' in 1988 and 1990, after ...

are for a large part covered with both temperate

coniferous Conifers () are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a sin ...

and

broadleaf forest A forest is an ecosystem characterized by a dense community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological functio ...

s. The protected areas are home to around 6,000 species of plants, many of which are

to the region. More than 200 varieties of

rhododendron ''Rhododendron'' (; : ''rhododendra'') is a very large genus of about 1,024 species of woody plants in the Ericaceae, heath family (Ericaceae). They can be either evergreen or deciduous. Most species are native to eastern Asia and the Himalayan ...

and more than 100 species of

gentian ''Gentiana'' () is a genus of flowering plants belonging to the gentian family ( Gentianaceae), the tribe Gentianeae, and the monophyletic subtribe Gentianinae. With over 300 species, it is considered a large genus. Gentians are notable for thei ...

s and primulas are found in the areas.

Fauna

The fauna found in the areas includes 173 species of mammals, of which 81 are endemic, and 417 species of birds, of which 22 are endemic. Some of the mammals which inhabit these regions are the endemic black snub-nosed monkey, the

Indian leopard The Indian leopard (''Panthera pardus fusca'') is a subspecies of the leopard (''P. pardus''). It is widely distributed on the Indian subcontinent. It is threatened by illegal trade of skins and body parts, and persecution due to human-leopard ...

snow leopard The snow leopard (''Panthera uncia'') is a species of large cat in the genus ''Panthera'' of the family Felidae. The species is native to the mountain ranges of Central and South Asia. It is listed as Vulnerable on the IUCN Red List because ...

, and clouded leopard; the Gaoligong pika,

Gongshan muntjac The Gongshan muntjac (''Muntiacus gongshanensis'') is a species of muntjac (a type of deer) living in the Gongshan mountains in northwestern Yunnan, southeast Tibet, Northeast India (especially in Arunachal Pradesh) and northern Myanmar. Ongoin ...

, Chinese shrew mole, and capped langur; the stump-tailed macaque, Asiatic wild dog, black musk deer, and takin; the smooth-coated otter, hoolock gibbon, Asian black bear and

red panda The red panda (''Ailurus fulgens''), also known as the lesser panda, is a small mammal native to the eastern Himalayas and southwestern China. It has dense reddish-brown fur with a black belly and legs, white-lined ears, a mostly white muzz ...

. Rare bird species in the areas include chestnut-throated partridge, the Lady Amherst's pheasant, white-eared pheasant, Yunnan nuthatch, and giant nuthatch; the white-speckled laughingthrush, ferruginous duck, Severtzov's grouse, and brown-winged parrotbill; the Ward's trogon,

black-necked crane The black-necked crane (''Grus nigricollis'') is a medium-sized crane (bird), crane in Asia that breeds on the Tibetan Plateau and remote parts of India and Bhutan. It is long with a wingspan, and it weighs . It is whitish-gray, with a black h ...

and Verreaux's monal-partridge.

References

External links

World-Heritage-Site.org: Three Parallel Rivers Of Yunnan Protected AreasEarth.org: ''"Three Parallel Rivers Of Yunnan Protected Areas"'' article

UNep-wcmc.org - Three Rivers of Yunnan
{{DEFAULTSORT:Three Parallel Rivers Of Yunnan Protected Areas World Heritage Sites in China Biosphere reserves of China Landforms of Yunnan Geography of Diqing Tibetan Autonomous Prefecture Geography of Nujiang Lisu Autonomous Prefecture Geography of Lijiang Canyons and gorges of China Valleys of China Forests of China Old-growth forests Yangtze River Mekong River Salween River Tourist attractions in Yunnan Temperate broadleaf and mixed forests Temperate coniferous forests Ecoregions of China Freshwater ecoregions National parks of China