Horton Plains National Park is a protected area in Sri Lanka located in the central highlands of the country. It was declared a national park in 1988 and is a popular destination for nature lovers and hikers.

The park is known for its unique ecosystem that includes cloud forests, grasslands, and many endemic species of flora and fauna. It is home to several species of mammals such as sambar deer, Sri Lankan leopard, and purple-faced langur. The park is also home to many bird species, including the Sri Lankan blue magpie and the Sri Lankan white-eye.

One of the most popular attractions in the park is World's End, a sheer cliff that drops over 800 meters into the valley below, offering breathtaking views of the surrounding landscape. There are also several hiking trails that take visitors through the park's diverse habitats, including Baker's Falls and Kirigalpoththa Peak.

Visitors to Horton Plains National Park are required to obtain a permit from the park office before entering, and there are strict regulations in place to protect the park's fragile ecosystem.