Hiyare: A Hidden Biodiversity Haven Near Galle

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Hiyare Reservoir and and the Sanctuary
Image source : facebook.com/wildlife.lk

Just 16 kilometers from the city of Galle lies one of the region’s best-kept natural treasures — the Hiyare Reservoir Rainforest and Biodiversity Research Center. Nestled within a lush tropical lowland forest, this area is not only a scenic retreat but also a hub for conservation and research.

From Water Source to Wildlife Sanctuary

The Hiyare Reservoir was constructed over a century ago to supply water to Galle using natural gravity flow. However, in 2002, the Galle Municipal Council discontinued its use, deeming the stagnant water unsuitable for human consumption, and sought alternative water sources.

In 2003, stewardship of the reservoir and the surrounding 600 acres of rainforest was formally transferred to the Municipal Council. Since then, the forested region has been jointly managed — the Sri Lankan Forest Department oversees the rainforest, while the Wildlife Society of Galle is responsible for the reservoir and its immediate surroundings.

Conservation and Research Efforts

At the heart of the Hiyare site is a Biodiversity Breeding Centre, dedicated to the conservation of endangered species. The facility also runs an Animal Rescue Program, providing emergency veterinary care for injured or displaced wildlife. In addition to these efforts, a tropical tree nursery supports local reforestation initiatives, and the center conducts educational programs to raise awareness about environmental conservation and Sri Lanka’s rich biodiversity.

Despite its relatively small size, the Hiyare rainforest is incredibly rich in biodiversity. This secondary lowland rainforest supports:

55 species of dragonflies, 12 of which are found exclusively in the Hiyare area
78 butterfly species, including 3 endemics
Over 150 species of freshwater fish, reptiles, amphibians, mammals, and land snails, with more than 60 endemic species
A significant number of endemic birds, dragonflies, and butterflies, making it one of the most concentrated sites of endemic species in any small rainforest globally

New species are still being discovered here, making Hiyare a living laboratory for ecological study.

How to Get There

The centre can be reached through several routes, the best being the Udugama Road through the Southern Expressway Access Road which would be the one you would be taking if travelling from Colombo on the Highway. Another is through the Deniyaya (A17) road and the third is through Labuduwa (B109 and B248).

Entrance Fees (Ticket Prices)

A nominal fee is LKR 200 per person is levied at the entrance.

Baby Collared Scops Owls at the animal rescue center at Hiyare

Hiyare Reservoir Sanctuary, Hiyare Rainforest, Hiyare forest

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Map of Hiyare Reservoir and the Rainforest

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