Best Things to Do on a Sinharaja Rainforest Trek Sinharaja Rainforest Reserve trek guide — Sri Lanka's largest surviving lowland rainforest, a UNESCO World Heritage Site rich in endemic wildlife.
Listed for its exceptional biodiversity as one of the last significant remnants of Sri Lanka's original lowland rainforest, per UNESCO's listing.
Over 60% of Sinharaja's trees are endemic, alongside a significant proportion of Sri Lanka's endemic birds, reptiles and amphibians.
Sinharaja is known among birders for large mixed-species flocks moving through the canopy together, a distinctive local phenomenon.
Enter via Deniyaya's quieter Pitadeniya side, close to Embilipitiya and Udawalawe. Sinharaja is a UNESCO World Heritage Site.
A mandatory local guide leads treks of varying length through dense lowland rainforest, spotting endemic birds and wildlife along the way.
