Doi Phu Nang National Park Bengal monitor deserve mention. Doi Phu Nang National Park Doi Phu Nang National Park () is a national park in Dok Khamtai, Pong and Chiang Muan Districts, Phayao Province, Thailand. It is located in two mountain chains of the Phi Pan Nam Range, Mae Yom and Nampi, with a not-protected area in between. There are both mixed evergreen forests, dipterocarp forest and dry deciduous forests in the park area. Doi Phu Nang, the mountain that gives its name to the park, with an altitude of 1,202 m, is the highest peak in the area. The sources of two tributaries of
Thanon Thong Chai Range Thanon Thong Chai Range is the southernmost prolongation of the Shan Hills and it consists of two parallel ranges running southwards from the southwestern limits of the Daen Lao Range between rivers Yuam and Ping. The eastern range is also known as Inthanon Range (ทิวเขาอินทนนท์). Often the Dawna Range further west and south is included as the western part of the Thanon Thong Chai Range. There are also some geographers who include the Thanon Thong Chai as a subrange of the Daen Lao Range. Doi Inthanon, at 2,565 metres in the Inthanon Range, is one of the ultra prominent peaks