| Doi Khun Than National Park | |
|---|---|
 At Doi Khun Tan peak | |
  Location within Thailand | |
| Location | Thailand |
| Nearest city | Lampang |
| Coordinates | 18°28′15″N 99°17′5″E / 18.47083°N 99.28472°E |
| Area | 255 km2 (98 sq mi) |
| Established | 1975 |
Doi Khun Tan National Park (Thai: อุทยานแห่งชาติดอยขุนตาล) straddles the mountainous area of the Khun Tan Range in Lamphun and Lampang Provinces, northern Thailand.
Established in 1975 as Thailand's tenth national park, it is an IUCN Category V protected area measuring 159,556 rai ~ 255 square kilometres (98 sq mi).[1] The park ranges in elevation from 325–1,373 m.
Its best known feature is Thailand's longest railroad tunnel, 1,352 m long.[2]
- ^ World Conservation Monitoring Centre; IUCN Conservation Monitoring Centre; IUCN Commission on National Parks and Protected Areas (November 1990). 1990 United Nations list of national parks and protected areas. IUCN. pp. 170–. ISBN 978-2-8317-0032-8. Retrieved 3 October 2011.
- ^ "Doi Khun Tan National Park". Department of National Parks (Thailand). Archived from the original on 25 November 2015. Retrieved 24 November 2015.