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Sinharaja Forest Reserve

Sinharaja Forest Reserve

Located in south-west Sri Lanka, Sinharaja is the country's last viable area of primary tropical rainforest. More than 60% of the trees are endemic and many of them are considered rare. There is much endemic wildlife, especially birds, but the reserve is also home to over 50% of Sri Lanka's endemic species of mammals and butterflies, as well as many kinds of insects, reptiles and rare amphibians.

Réserve forestière de Sinharaja

Situé dans le sud-ouest de Sri Lanka, le Sinharaja est la dernière zone viable de forêt tropicale humide primaire du pays. Plus de 60 % des arbres sont endémiques et bon nombre d'entre eux sont considérés comme rares. La faune endémique est nombreuse, notamment les oiseaux et 50 % d'espèces de mammifères et de papillons, ainsi que beaucoup de sortes d'insectes, de reptiles et d'amphibiens rares.

محمية سينهاراجا الحرجية

تشكل محمية سينهاراجا الواقعة جنوب غرب سريلانكا النقطة الحية الأخيرة من الغابات المدارية الرطبة العذراء في البلاد. ويتألف 60% من هذه الغابات من أشجار مستوطنة، الى جانب عدد كبير من الأشجار التي تعتبر نادرة. اما الحيوانات المستوطنة فكثيرة وتتضمن بشكل خاص الطيور و50% من أصناف الثدييات والفراشات، ناهيك عن أصناف متعددة من الحشرات والزواحف والضفدعيات النادرة.

source: UNESCO/ERI



source: UNESCO/ERI

Лесной резерват Синхараджа

Расположенный в юго-западной части Шри-Ланки, Синхараджа представляет собой последний во всей стране массив девственного влажно-тропического леса. Более 60 % деревьев – это эндемики, причем многие из них признаны редкими. Среди представителей фауны также много эндемиков, особенно среди птиц; кроме того, здесь обитает свыше 50 % эндемичных для Шри-Ланки видов млекопитающих и бабочек; отмечено большое разнообразие насекомых, рептилий и амфибий.

source: UNESCO/ERI

Reserva forestal de Sinharaja

Situada al sudoeste de Sri Lanka, esta reserva es la última zona viable del primigenio bosque tropical húmedo del país. Más del 60% de sus árboles son endémicos y muchos de ellos pertenecen a especies poco comunes. Las especies endémicas de aves son particularmente numerosas. Además, la reserva alberga más del 50% de las especies endémicas de mamíferos y mariposas de Sri Lanka, así como muchas clases de insectos, reptiles y anfíbios poco comunes.

source: UNESCO/ERI


source: NFUAJ

Bosreservaat Sinharaja

Het bosreservaat Sinharaja ligt in het zuidwesten van Sri Lanka. Het is het laatste levensvatbare primair tropisch regenwoud van Sri Lanka. Meer dan 60% van de bomen zijn inheems en velen hiervan worden beschouwd als zeer zeldzaam. Er is veel inheemse fauna – vooral vogels – in het reservaat, maar het is ook de thuisbasis van meer dan 50% van Sri Lanka's inheemse soorten zoogdieren (het luipaard en de Indische olifant zijn bedreigde zoogdieren) en vlinders. Verder komen er veel soorten insecten, reptielen en zeldzame amfibieën voor. Het reservaat is bewoond; in het zuidwesten bevinden zich twee dorpen.

Source: unesco.nl

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Sinharaja Forest Reserve © Vincent Ko Hon Chiu
Outstanding Universal Value

Brief synthesis

Encompassing the last extensive patch of primary lowland rainforest in Sri Lanka, Sinharaja Forest Reserve is situated in the south-west lowland wet zone of Sri Lanka.  Covering an area of 8,864 ha and ranging from an altitude of 300 – 1,170 meters, it consists of 6,092 ha of Forest Reserve and 2,772 ha of Proposed Forest Reserve. This narrow strip of undulating terrain encompasses a series of ridges and valleys that are crisscrossed by an intricate network of streams. Draining to both the south and north, this detailed matrix of waterways flow into the Gin River on the southern boundary of the property and Kalu River via the Napola Dola, Koskulana Ganga and Kudawa Ganga on its northern boundary. Annual rainfall over the last 60 years has ranged from 3614 - 5006 mm with most of the precipitation during the south-west monsoon (May-July) and the north-east monsoon (November- January).

Sri Lanka is home to 830 endemic species, of which 217 trees and woody climbers are found in the low land wet zone. Of these, 139 (64%) have been recorded in the reserve including 16 rare species. Faunal endemism is particularly high for birds with 19 (95%) of 20 species recorded in the property being endemic to Sri Lanka. Endemism among mammals and butterflies is also greater than 50%. A number of threatened, endangered and rare species occur within the reserve including: leopard (Panthera pardus), Indian elephant (Elephas maxiumus), endemic purple-faced Langur (Presbytis senex), Sri Lanka wood pigeon (Columba torringtoni), green-billed Coucal (Centropus chlororrhynchus), Sri Lanka white-headed starling (Sturnus senex), Sri Lanka blue magpie (Cissa ornate), ashy-headed babbler (Garrulax cinereifrons) and Sri Lanka broad-billed roller (Eurystomus orientalis irisi). 

Criterion (ix): Sinharaja is the last remaining relatively undisturbed remnant of tropical humid evergreen forest in Sri Lanka. The property’s flora is a relic of Gondwanaland and provides an important component to our scientific understanding of continental drift and an outstanding site for the study of the processes of biological evolution. A geological feature of considerable interest is the presence of the Sinharaja basic zone, with the reserve located within the transition zone of two important rock types characteristic of Sri Lanka; the south-western group and the highland group. 

Criterion (x): Endemism within the property is extremely high. Protecting the last viable remnant of Sri Lanka’s tropical lowland rainforest, Sinharaja is home to at least 139 endemic plant species within two main types of forest: remnants of Dipterocarpus in the valleys and on the lower slopes, and secondary forest and scrub where the original forest cover has been removed. Sixteen of the endemic plant species within the property are considered rare, including endemic palms Loxococcus rupicola and Atalantia rotundifolia.

Faunal endemism is also high, particularly for mammals, birds and butterflies, exceeding 50%. Nineteen (95%) of Sri Lanka’s 20 endemic birds are present in the property, which is also home to leopard and Indian elephant, both of which are threatened species.


Sinharaja Forest Reserve forms a sufficiently large conservation unit for the in-situ conservation of rare and endangered species while sustaining the on-going biological evolutionary processes for which it was inscribed. Surrounded by 13 other adjacent natural forest areas that provide an added layer of protection to the property the boundaries however, require further definition and demarcation.

Efforts are also being made by the management agency to further enhance the conservation status of the reserve through regulation of land uses occurring in the area surrounding the property, which hopes to further reduce the impact of intensive land use on the values of Sinharaja. Illicit timber felling, gemming and poaching continue to be of concern with regards to the impacts on the values and integrity of the property, but the high level of public support for nature conservation and the large number of government bodies involved in regulation and proposal approval, results in strong opposition to resource exploitation proposals.

Protection and management requirements

Noted as a national heritage wilderness area on October 21st 1988, the majority of the area within the property was originally declared a forest reserve on May 3rd 1875, providing a long history of protection. The property is afforded the highest level of legal protection under the National Heritage and Wilderness Area Act of Sri Lanka and almost all the peripheral natural forests along the boundary have already been declared as conservation forests or reserved forests under the Forest Ordinance. The values encompassed by the property were further recognised when it was declared a Biosphere Reserve in April 1978 and subsequently inscribed on the World Heritage.

Sinharaja World Heritage property  is managed directly by the Divisional Forest Officer from the Forest Department, under the authority of the Ministry of Lands and Land Development. A National Steering Committee coordinates the institutions for Sinharaja as a National Wilderness Area, Biosphere Reserve and World Heritage site. Management practices and research are executed in accordance with the prescriptions of the respective management plans, prepared for the Sinharaja Conservation Area as well as the property’s peripheral natural forests, under the national forest policy directives. The management plans for the property, prepared in 1985/86 and 1992/94, emphasize conservation, scientific research, buffer zone management, benefit sharing, and community participation.

Sinharaja is provided with the highest level of legal protection under the National Heritage Wilderness Area Act and a high level of environmental awareness of the local community is extremely helpful in implementing management plan prescriptions. Forest dependency of local communities is very low and maintaining this healthy partnership with local communities is the main strategy to ensure future protection of this property. Historically protected as a result of its inaccessibility and steep, hilly terrain, the Forest Department prioritizes protection of the reserve over development pressures and resource extraction. Visitor numbers remain low with entry by permit only.

Threats to the values and integrity of the property primarily come from encroaching cultivation, particularly along the southern boundary. Development undertaken outside the property indirectly impacts the site through road developments which subsequently open up routes and entry points into the property, facilitating illegal logging and removal of resources, with illegal gem mining also posing a threat. The traditional use of forest products is now restricted to areas outside the boundaries.

Low staffing levels hinder the policing of offences and a lack of funding is a barrier to the effective, long-term management of the area. The management agency, the Sri Lankan Forestry Department has designated the management of Sinharaja a high priority, allocating funds according to the priorities spelled out in the management plan and on-going management programmes.
  • The WH area is managed directly by the Divisional Forest Officer from the Forest Dept. A national steering Committee co-ordinates institutions for Sinharaja as a National Wilderness Area, Biosphere Reserve (1988), and WH site. There are two management plans, prepared in 1985/86 and 1992/94, which emphasise conservation, scientific research, buffer zone management, benefit-sharing, and community participation.