Mae Wang National Park (Thai: อุทยานแห่งชาติแม่วาง) is located in Chom Thong District, Doi Lo District and Mae Wang District in Chiang Mai Province.

The park covers four national reserved forests in Chiang Mai province: Mae Khan, Mae Wang, Chom Thong and Mae Chaem forests.

Doi Pha Tang is with 1,909 m the highest peak in the park.

Rainy season is from June to November, average rainfall is 2,000–2,100 millimetres (79–83 in)/year.

[1] A preliminary survey of the area was set up in June 2001.Later on 20 November 2009 Mae Wang National Park with an area of 74,766 rai ~ 119 square kilometres (46 sq mi) has been declared the 112th national park.