Khun Nan National Park

Khun Nan National Park is a protected forest park in Chaloem Phra Kiat and Bo Kluea districts of Nan Province, northern Thailand, along the Luang Prabang Range near the Laos border. Established in 2009 as Thailand's 111th national park, it covers about 248 square kilometers of mountainous evergreen and deciduous forest. It is notable for its watershed forests, waterfalls such as Sapan and Huai Ha, viewpoints, and biodiversity.

Visitors can expect a mountainous forested park with dense evergreen and mixed deciduous forest, steep ridges and valleys forming part of the Nan River watershed. Areas to explore include the park headquarters and visitor centre, short nature trails, viewpoints over the Luang Prabang Range, waterfalls including Sapan Waterfall and Huai Ha Waterfall, and designated camping areas. The environment is quiet and natural, with opportunities for nature observation and photography.

Established on 15 July 2009 as Thailand's 111th national park, covering approximately 248.6 square kilometers in Chaloem Phra Kiat and Bo Kluea districts. The area was designated to protect the headwaters and watershed forests of the Nan River and tributaries along the Luang Prabang Range.

The park area lies within a region inhabited by ethnic communities including Lua, Hmong and Mlabri, and protects watershed forests traditionally important to local villages. The surrounding Bo Kluea area is known for traditional rock-salt pits that have been used for centuries.