about 20% of the ecoregion, and include: Mae Yom National Park, a mountainous area of the eastern Phi Pan Nam Range in northern Thailand. Si Satchanalai National Park, at the far western edge of the ecoregion. Thung Salaeng Luang National Park, in the middle section of the region in Thailand, on the Wang Thong River. Wiang Kosai National Park, in the west of the region, home to the Mae Koeng Waterfalls. See also List of trees of northern Thailand References Indomalayan ecoregions Ecoregions of Thailand Ecoregions of Laos Tropical and subtropical moist broadleaf forests