Lam Nam Kok National Park (Thai: อุทยานแห่งชาติลำน้ำกก, RTGS: Utthayan Haeng Chat Lam Nam Kok) is a national park in upper northern Thailand's Chiang Rai province.

The head office is based in Doi Hang subdistrict, Mueang Chiang Rai district.

[2] Wat Phuttha Utthayan Doi Insi: A Buddhist monastery located in the area of the park.

The Department of National Parks, Wildlife and Plant Conservation (DNP) permitted Buddhist monks to stay in the forest for their dharma practicing legally.

On the third tier at a height of 40 m (131.2 ft), there is a bamboo bridge to facilitate visitors to walk closer the waterfall conveniently.