Sinharaja Rain Forest is a UNESCO World Heritage Site located in the southwestern part of Sri Lanka. It is one of the country's last remaining tropical rainforests and is home to a vast array of flora and fauna, including many endangered species. The forest covers an area of 11,187 hectares and is a popular destination for nature lovers and birdwatchers.

The Sinharaja Rain Forest boasts an impressive biodiversity, with over 50% of the trees found here being endemic to Sri Lanka. There are also many endemic bird species that can be found here, including the Sri Lankan blue magpie, Sri Lankan junglefowl, and Sri Lankan green pigeon. Other wildlife that can be seen in the forest include leopards, sambar deer, and purple-faced langurs.

Visitors to the Sinharaja Rain Forest can take guided tours through the forest, which typically last around 3-4 hours. These tours offer visitors the chance to see the forest's many plant and animal species up close, and to learn about the importance of conservation efforts in preserving this unique ecosystem. There are also several eco-lodges located near the forest, providing visitors with a chance to stay overnight and explore the rainforest at their own pace.