Khun Nan National Park

Khun Nan National Park () is a protected area in the western side of the Luang Prabang Range in the Thai/Lao border area, on the Thai side of the ridge. It is named after Khun Nan subdistrict (tambon) of Chaloem Phra Kiat District of Nan Province and includes parts located in Bo Kluea District. The park is located north of the Doi Phu Kha National Park and was established in 2009.
Khun Nan National Park is part of the Luang Prabang montane rain forests ecoregion. Sapan Waterfall, located near the Lao border, is the most important waterfall in the park; Huai Ha waterfall has water throughout the year. Other waterfalls within the perimeter of the park are Huai Ti and Ban Den. 1,745 m high Doi Phi Pan Nam is the tallest peak within the park. The Wa River has its sources in the mountains of the park and flows through it.