Sinharaja Forest Reserve, a UNESCO World Heritage Site in Sri Lanka, is the country’s last primary tropical rainforest. Known for its rich biodiversity, the forest is home to rare endemic flora and fauna, including leopards, monkeys, and over 140 bird species. Visitors can explore scenic trails, waterfalls, and dense jungle landscapes while experiencing the untouched beauty of this ecological treasure. Guided nature walks offer the best way to discover its diverse wildlife.