The Cardamom Mountains (, ; , ), or the Krâvanh Mountains, is a mountain range in the southwest part of
Cambodia
Cambodia, officially the Kingdom of Cambodia, is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. It is bordered by Thailand to the northwest, Laos to the north, and Vietnam to the east, and has a coastline ...
and
Eastern Thailand. The majority of the range is within Cambodia.
The silhouette of the Cardamom Mountains appears in the
provincial seal of
Trat Province in Thailand.
Location and description
The mountain range extends along a southeast-northwest axis from
Chanthaburi Province in Thailand, and
Koh Kong Province in Cambodia on the
Gulf of Thailand
The Gulf of Thailand (), historically known as the Gulf of Siam (), is a shallow inlet adjacent to the southwestern South China Sea, bounded between the southwestern shores of the Indochinese Peninsula and the northern half of the Malay Peninsula. ...
, to the
Veal Veang District in
Pursat Province, and extends to the southeast by the
Dâmrei (Elephant) Mountains. The Thai part of the range comprise heavily eroded and dispersed mountain fragments of which the
Khao Sa Bap,
Khao Soi Dao and
Chamao-Wong Mountains, east, north and west of
Chanthaburi
Chanthaburi (, ) is a town ('' thesaban mueang'') in the east of Thailand, on the banks of the Chanthaburi River. It is the capital of the Chanthaburi Province and the Mueang Chanthaburi District.
The town covers the two ''tambons'' Talat an ...
respectively, are the most prominent.
Dense tropical
rainforest
Rainforests are forests characterized by a closed and continuous tree Canopy (biology), canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforests can be generally classified as tropi ...
prevails on the wet westward slopes which annually receive from of rainfall. By contrast, only 1,000 to 1,500 mm (40 to 60 inches) fall on the wooded eastern slopes in the
rain shadow
A rain shadow is an area of significantly reduced rainfall behind a mountainous region, on the side facing away from prevailing winds, known as its leeward side.
Evaporated moisture from body of water, bodies of water (such as oceans and larg ...
facing the interior Cambodian plain, such as the
Kirirom National Park. Most of the mountains are a dense wilderness, with almost no human population or activity, but on the eastern slopes,
cardamom
Cardamom (), sometimes cardamon or cardamum, is a spice made from the seeds of several plants in the genus (biology), genera ''Elettaria'' and ''Amomum'' in the family Zingiberaceae. Both genera are native to the Indian subcontinent and Indon ...
and
pepper are grown commercially, and several large-scale construction projects have begun since the turn of the century.
Summits
The highest elevation of the Cardamom Mountains is
Phnom Aural in the northeast at . This is also Cambodia's highest peak.
Other important summits in the Cambodian parts are:
*
Phnom Samkos (
*
Phnom Tumpor
Phnom Tumpor (; Tumpor Mountain) is a mountain in Pursat Province of western Cambodia
Cambodia, officially the Kingdom of Cambodia, is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. It is bordered by Th ...
*
Phnom Kmoch
In Thailand, the most prominent peaks are:
*Khao Sa Bap
*Khao Soi Dao Tai
*Khao Chamao
History
The Cardamom Mountains holds many historic sites and relics from the 15th- to 17th-century specifically. This includes a number of exposed burial sites of a type known as
jar burials. The burials are scattered around the mountains, set out on remote, natural rock ledges, and contains 60 cm exotic ceramic jars and rough-hewn log coffins.
The jar burials are a unique feature of this region, and form a previously unrecorded burial practice in Khmer cultural history. Local
legend
A legend is a genre of folklore that consists of a narrative featuring human actions, believed or perceived to have taken place in human history. Narratives in this genre may demonstrate human values, and possess certain qualities that give the ...
s suggest the bones are the remains of Cambodian royalty. Along with these jar burials archeologists have discovered various material evidence associated with the remains, such as glass beads consisting of various colors and composition. These glass beads, which were a common product in maritime trade between nearby countries, were most likely obtained by Cardamom Mountain communities by trading forest products, such as wood and resin, that they had access to.

A unique rock art cave site known as Kanam depicts ancient elephants, elephant riders, deer and wild cow (or buffalo) in red ochre paint. The site is located in the eastern part of the Cardamoms near Kravanh Township (Pursat Province). The Cardamoms are home to one of the largest protected wild elephant populations in Southeast Asia. The human riders may represent elephant capture and training activities - a major cultural tradition among various ethnic groups in the area until the 1970s. Traditions, experts, and elephant populations were decimated by the
Khmer Rouge Regime.
The cave and paintings may have played important roles for rituals and magic used to placate ancestors and spirits; seek protection (elephant capture is very dangerous); bring good fortune; and transmit specialized knowledge (teaching/training).
Some of the paintings may be various species of wild cow or buffalo. It is difficult to distinguish the possible cow from the possible deer representations due to the simple silhouette style. However, cowhides are extremely important for lassoes, ropes, snares and riggings related to elephant capture. Local elephant masters claimed there was more ritual and magic associated with these highly critical items than all others related to elephant capture. Thus, wild cow or buffalo representation might be expected.
The large representation of deer may relate to the massive deerskin trade to Japan in the 15th - 17th centuries. Taiwan's deer populations had been almost annihilated due to insatiable demands for Samurai armor and Japanese accessories made of deerskin. Deerskin sourcing shifted to Cambodia and Thailand. As deer populations decreased, local hunters also may have resorted to more investment in magic and ritual to seek assistance from ancestors and spirits to increase luck. The paintings are thought to date from the late Angkorian period through the post-Angkor period (contemporaneous with the jar burials, perhaps created and used by the same ethnic groups). The site may date to as early as the Funan period (1st - 6th centuries) when the practice of capturing, training, and trading live elephants was first historically noted (a mission was sent to China in 357 AD with trained elephants as part of the tributary gifts to Emperor Mu of Jin). Whether or not elephant capture, training, and use for labor, prestige and warfare existed prior to the Funan period is unknown. It is possible that the practice, technology and knowledge was obtained through South Asian influence in the early first millennium AD.

These paintings help with understanding the ecological history. Local ethnic groups were able to maintain, sustain and promote elephant populations through a somewhat symbiotic relation until the 20th century. Deer and wild cow/buffalo, however, may have been hunted to near extinction by the 15th - 17th centuries. Eld's deer, muntjac, sambar, gaur, kouprey and banteng were probably far more prevalent in the past.
Indigenous people
Part of the mountains are home to indigenous people, including the
Chhong in both Thailand and Cambodia, and the ethnic ''Por'' (or ''
Pear
Pears are fruits produced and consumed around the world, growing on a tree and harvested in late summer into mid-autumn. The pear tree and shrub are a species of genus ''Pyrus'' , in the Family (biology), family Rosaceae, bearing the Pome, po ...
'') in
Pursat Province, Cambodia. They all belong to the group known as
Pearic peoples. In Cambodia, indigenous people are collectively referred to as
Khmer Loeu
The Khmer Loeu ( ; "upper Khmers") is the collective name given to the various indigenous ethnic groups residing in the highlands of Cambodia. The Khmer Loeu are found mainly in the northeastern provinces of Ratanakiri, Stung Treng, and Mo ...
.
Khmer Rouge
This largely inaccessible mountain range formed one of the last strongholds of the
Khmer Rouge
The Khmer Rouge is the name that was popularly given to members of the Communist Party of Kampuchea (CPK), and by extension to Democratic Kampuchea, which ruled Cambodia between 1975 and 1979. The name was coined in the 1960s by Norodom Sihano ...
, driven out by
Vietnamese forces during the
Cambodian–Vietnamese War
The Cambodian–Vietnamese War was an armed conflict between Democratic Kampuchea, controlled by Pol Pot's Khmer Rouge, and the Vietnam, Socialist Republic of Vietnam. It began in December 1978, with a Vietnamese invasion of Cambodia which to ...
. The Thai border to the west acted as a conduit for Chinese support and, eventually, a sanctuary for fleeing Khmer fighters and refugees.
Modern development
The inaccessibility of the hills has also helped to preserve the
primeval forest
An old-growth forest or primary forest is a forest that has developed over a long period of time without Disturbance (ecology), disturbance. Due to this, old-growth forests exhibit unique ecological features. The Food and Agriculture Organizati ...
and
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 of the area relatively intact. In 2002, however, a transborder highway to Thailand was completed south of the Cardamoms, along the coast. The highway has
fragmented habitats for large mammals, such as elephants, big cats and monkeys. The highway has also opened up for agricultural
slash-and-burn
Slash-and-burn agriculture is a form of shifting cultivation that involves the cutting and burning of plants in a forest or woodland to create a Field (agriculture), field called a swidden. The method begins by cutting down the trees and woody p ...
projects and opportunistic poaching for endangered animals, all degrading the natural value and the forests’ ecosystems.
Tourism is relatively new to the Cardamom Mountains. In 2008,
Wildlife Alliance launched a community-based
ecotourism
Ecotourism is a form of nature-oriented tourism intended to contribute to the Ecological conservation, conservation of the natural environment, generally defined as being minimally impactful, and including providing both contributions to conserv ...
program in the village of
Chi-Phat, marketed as the "gateway to the Cardamoms". Tourist visitors to Chi-Phat continue to grow and the community is regarded as a model for community-based ecotourism, with approximately 3,000 annual visitors generating more than $US 150,000 for the local community.
International conservation organizations working in the area includes Wildlife Alliance,
Conservation International
Conservation International (CI) is an American nonprofit environmental organization headquartered in Crystal City, Virginia, in Arlington County, Virginia.
CI's work focuses on science, policy and partnership with businesses, governments and co ...
, and
Fauna and Flora International. In 2016, the southern slopes of the Cardamom Mountains were designated as a new national park;
Southern Cardamom National Park.
It appears, however, that rampant illegal poaching is continuing nonetheless.
Ecology
These relatively isolated mountains are part of the
Cardamom Mountains rain forests ecoregion, an important
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 ...
of mostly
tropical moist broadleaf forest.
[ Being one of the largest and still mostly unexplored forests in ]Southeast Asia
Southeast Asia is the geographical United Nations geoscheme for Asia#South-eastern Asia, southeastern region of Asia, consisting of the regions that are situated south of China, east of the Indian subcontinent, and northwest of the Mainland Au ...
, it is separated from other rainforests in the region by the large Khorat Plateau
The Khorat Plateau (; ) is a plateau in the northeastern Thai region of Isan. The plateau forms a natural region, named after the short form of Nakhon Ratchasima, a historical barrier controlling access to and from the area.
Geography
The avera ...
to the north. For these reasons, the ecoregion is home to several endemic species and is a refuge for species that have been decimated or are endangered elsewhere. The 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 ...
ese Phú Quốc island off the coast of Cambodia has similar vegetation and is included in the ecoregion.
Most of the ecoregion is covered in evergreen rain forest, but with several different habitats. Above 700 metres, a special thick evergreen forest-type dominates, and on the southern slopes of the Elephant Mountains, dwarf conifer '' Dacrydium elatum'' forests grow. On the Kirirom plateau, Tenasserim pine forest is found. The northern part of the Cardamom Mountains is home to the southernmost natural habitats of ''Betula
A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech- oak family Fagaceae. The genus ''Betula'' contains 3 ...
'' (species '' Betula alnoides''). Throughout, '' Hopea pierrei'', an endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, inv ...
canopy tree rare elsewhere, is relatively abundant in the Cardamom Mountains. Other angiosperm
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed within a fruit ...
tree species are '' Anisoptera costata'', '' Anisoptera glabra'', '' Dipterocarpus costatus'', '' Hopea odorata'', '' Shorea hypochra'', '' Caryota urens'' and '' Oncosperma tigillarium''. Other conifers
Conifers () are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All e ...
include '' Pinus kesiya'', '' Dacrycarpus imbricatus'', '' Podocarpus neriifolius'', '' P. pilgeri'' and '' Nageia wallichiana''.
Fauna
The moist climate and undisturbed nature of the rocky mountainsides appear to have allowed a rich variety of wildlife to thrive, although the Cardamom and Elephant Mountains are poorly researched and the wildlife that is assumed to be here remains to be catalogued. They are thought to be home to over 100 mammals, such as the large Indian civet and banteng
The banteng (''Bos javanicus''; ), also known as tembadau, is a species of wild Bovinae, bovine found in Southeast Asia.
The head-and-body length is between . Wild banteng are typically larger and heavier than their Bali cattle, domesticated ...
cattle, and most importantly the mountains are thought to shelter at least 62 globally threatened animal species and 17 globally threatened trees, many of them endemic to Cambodia.[BBC News, "New cryptic gecko species is discovered in Cambodia ", 24 March 2010]
accessed 24 March 2010. Among the animals are fourteen endangered and threatened mammal species, including the largest population of Asian elephant
The Asian elephant (''Elephas maximus''), also known as the Asiatic elephant, is the only living ''Elephas'' species. It is the largest living land animal in Asia and the second largest living Elephantidae, elephantid in the world. It is char ...
in Cambodia and possibly the whole of Indochina although this still needs to be proved. Other mammals, many of which are threatened, include Indochinese tiger
The Indochinese tiger is a population of the '' Panthera tigris tigris'' subspecies that is native to Southeast Asia. This population occurs in Myanmar and Thailand. In 2011, the population was thought to comprise 342 individuals, including 85 in ...
, clouded leopard (''Pardofelis nebulosa''), dhole (a wild dog) (''Cuon alpinus''), gaur
The gaur (''Bos gaurus''; ) is a large bovine native to the Indian Subcontinent and Southeast Asia, and has been listed as Vulnerable species, Vulnerable on the IUCN Red List since 1986. The global population was estimated at a maximum of 21,000 ...
(''Bos gaurus''), banteng (''Bos javanicus''), the disputed kting voar (''Pseudonovibos spiralis''), Malayan sun bear
The Malayan sun bear (''Helarctos malayanus malayanus'') is a subspecies of sun bear, occurring in southeast Asia. In 2025, Malayan sun bear along with the Bornean sun bear (''Helarctos malayanus euryspilus''), have been selected to be new campai ...
, pileated gibbon (''Hylobates pileatus''), Sumatran serow (''Capricornis sumatraensis''), Sunda pangolin and the Tenasserim white-bellied rat. There are at least 34 species of amphibian
Amphibians are ectothermic, anamniote, anamniotic, tetrapod, four-limbed vertebrate animals that constitute the class (biology), class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all Tetrapod, tetrapods, but excl ...
s, three of them described as new species to science from here.
The rivers are home to both Irrawaddy and humpback dolphin
Humpback dolphins are members of the genus ''Sousa''. These dolphins are characterized by the conspicuous humps and elongated dorsal fins found on the backs of adults of the species. Humpback dolphins inhabit shallow nearshore waters along coast ...
s and are home to some of the last populations on Earth of the very rare Siamese crocodile
The Siamese crocodile (''Crocodylus siamensis'') is a medium-sized freshwater crocodile native to Indonesia (Borneo and possibly Java), Brunei, East Malaysia, Laos, Cambodia, Myanmar, Thailand and Vietnam. The species is critically endangered and ...
s and the only nearly extinct northern river terrapin, or ''royal turtle'' remaining in Cambodia. While the forests are habitat for more than 450 bird species, half of Cambodia's total of which four, the chestnut-headed partridge, Lewis's silver pheasant ('' Lophura nycthemera lewisi''), the green peafowl (''Pavo muticus'') and the Siamese partridge (''Arborophila diversa'') are endemic to these mountains. A reptile and amphibian survey led in June 2007 by Dr Lee Grismer of La Sierra University in Riverside, California, USA, and the conservation organisation Fauna and Flora International uncovered new species, such as a new '' Cnemaspis'' gecko, ''C. neangthyi''.[
File:Sepilok Sabah BSBCC-photos-by-Wong-Siew-Te-02.jpg, Malayan Sun Bear was formerly much more extant in South-East Asia
File:Lophura nycthemera, Exiandong reserve, Fujian 1.jpg, Lewis's silver pheasant
File:Pink Dolphin.JPG, The vulnerable Indo-Pacific humpback dolphin is here
File:Pseudocalotes floweri, Flower’s long-headed lizard - Khao Khitchakut National Park (47144396302) by Rushen.jpg, Lizards. Flower's long-headed lizard ('' pseudocalotes floweri''), a species ]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 this region
File:Trimeresurus vogeli, Vogel's pit viper - Khao Soi Dao Wildlife Sanctuary (46361404605).jpg, Snakes. Here Vogel's pit viper ('' trimeresurus vogeli'')
File:Polypedates megacephalus, Spot-legged tree frog - Khao Khitchakut National Park (33423004358).jpg, The moist conditions of the rain forests support numerous species of amphibians
Amphibians are ectothermic, anamniote, anamniotic, tetrapod, four-limbed vertebrate animals that constitute the class (biology), class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all Tetrapod, tetrapods, but excl ...
. ('' polypedates megacephalus'', spot-legged tree frog)
Protected areas
With the establishment of the Southern Cardamom National Park in May 2016, nearly all of the Cardamom Mountains are now under some form of high level protection, mostly national park
A national park is a nature park designated for conservation (ethic), conservation purposes because of unparalleled national natural, historic, or cultural significance. It is an area of natural, semi-natural, or developed land that is protecte ...
area and wildlife sanctuaries. However, the level of active protection has been criticised.
The human population of the Cardamom Mountain Range, although very small, is extremely poor. Threats to the ecological stability and biological diversity of the region include illegal wildlife poaching
Poaching is the illegal hunting or capturing of wild animals, usually associated with land use rights.
Poaching was once performed by impoverished peasants for subsistence purposes and to supplement meager diets. It was set against the huntin ...
, habitat destruction
Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...
due to illegal logging
Illegal logging is the harvest, transportation, purchase, or sale of timber in violation of laws. The harvesting procedure itself may be illegal, including using corrupt means to gain access to forests; extraction without permission, or from a p ...
, construction and infrastructure projects, plantation clearings, mining projects, and forest fires A forest fire
A wildfire, forest fire, or a bushfire is an unplanned and uncontrolled fire in an area of combustible vegetation. Depending on the type of vegetation present, a wildfire may be more specifically identified as a bushfire ( in Au ...
caused by slash-and-burn agriculture. While the Cambodian forests in the Cardamom Mountains are fairly intact, the section in Thailand has been badly affected.
Protections in the Cardamom Mountains comprise the following:
;Cambodia
* Central Cardamom Mountains National Park
* Southern Cardamom National Park
* Botum-Sakor National Park
* Kirirom National Park
* Preah Monivong National Park (aka Bokor National Park)
*Phnom Samkos Wildlife Sanctuary
Phnom Samkos Wildlife Sanctuary is a wildlife sanctuary in western Cambodia, bordering Thailand. The sanctuary was established in 1993 and covers . It is also designated as an Important Bird Area (IBA).
Phnom Samkos Wildlife Sanctuary is located ...
* Phnom Aural Wildlife Sanctuary
* Tatai Wildlife Sanctuary
* Peam Krasop Wildlife Sanctuary
* Samlaut Multiple Use Area
;Thailand
* Namtok Khlong Kaeo National Park
* Namtok Phlio National Park
* Khao Khitchakut National Park
* Khao Chamao-Khao Wong National Park
* Khao Soi Dao Wildlife Sanctuary
* Klong Kruewai Chalerm Prakiat Wildlife Sanctuary
* Khao Ang Rue Nai Wildlife Sanctuary.
Threats
The flora, fauna and ecosystems of the Cardamom Mountains are threatened by large construction and infrastructure projects, mining, illegal logging
Illegal logging is the harvest, transportation, purchase, or sale of timber in violation of laws. The harvesting procedure itself may be illegal, including using corrupt means to gain access to forests; extraction without permission, or from a p ...
, and opportunistic hunting and poaching.
Despite the very high level of protectional status, the actual protection of the conservation areas and implementation of the law has been very poor. The violation of the protection laws has happened on all levels, from opportunistic locals, and local business entrepreneurs, to governmental institutions, foreign companies and international criminal organisations. In the late 2010s, international conservation organisations, and the UN, has collaborated with the Cambodian government to halt a number of planned construction projects and clearings in protected areas. In 2016, the Cambodian government established a collaboration with international conservation organisations to increase on-ground patrolling and actual park ranger services, building several ranger headquarters and hiring armed personnel with arresting rights. This might signify a change in the destructive trends, at least concerning governmental responsibilities.
Tourism
The Cardamom Mountains are an emerging tourist destination.
The village of Chi Phat runs a Community-Based Eco-Tourism project with the support of conservation NGO, Wildlife Alliance. Previously a logging and hunting community, villagers now make sustainable income through homestays, multiple day guided treks to natural and cultural sites, mountain bike, boat and bird watching tours.
The Wildlife Release Station in Koh Kong Province is a release site for animals rescued from the illegal wildlife trade in Cambodia by the NGO Wildlife Alliance. Binturong, porcupine, pangolins, civets, macaques and an array of birds are among the many species that have been released on site. The station was opened to tourists in December 2013, offering guests an insight into the workings of a wildlife rehabilitation and release site while staying in jungle chalets and enjoying Cambodian hospitality. Activities offered can include feeding resident wildlife, jungle hiking, radio tracking and setting camera traps to monitor released wildlife.
Wild Animal Rescue (WAR Adventures Cambodia) also organize a wide range of deep jungle activities from the family trekking to the hardcore RAID adventure, jungle orientation and survival training course, even animals and human tracking course, all in the region of Sre Ambel in the South-west of the Cardamom mountains.
File:1 Chambak waterwall 21-11-2010 - panoramio.jpg, Scenic nature
File:Thailand 1418a.jpg, Campsite in Khao Khitchakut National Park, Thailand
File:Kirirom National Park.jpg, Campsite in Kirirom National Park, Cambodia
File:อุทยานแห่งชาติน้ำตกพลิ้ว จ.จันทบุรี (31).jpg, The waterfalls in the Thai part of the mountains are popular destinations
See also
* Dâmrei Mountains
* Cardamom Khmer, a variant of the Khmer language spoken in these mountains
* K5 Plan
References
External links
Cardamom Mountains Moist Forests
( WWF website)
Description by Wayne McCallum of a trip through the forests in 2005
*
{{Authority control
Tropical and subtropical moist broadleaf forests
Ecoregions of Asia
Rainforests of Southeast Asia
Mountain ranges of Cambodia
Mountain ranges of Thailand
Montane forests