Nam Ha National Park In Lao is the important national park. The Nam Ha National Park is situated in the extreme northwest of the Laos, in Luang Namtha Province, and comprises 222,400 hectares of land ranging from the lowlands of the Luang Namtha Plain to the 2,000-m-high peaks of its northern highlands. The altitude ranges from 560 m on the plain to 2,094 m at the highest peak and thus, supports a wide variety of flora.