Doi Khun Tan National Park

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 255.29 square kilometres (98.57 sq mi). The park ranges in elevation from 325-1,373 m. Its best known feature is Thailand’s longest railroad tunnel, 1,352 m long.

Doi Khun Tan National Park

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 255.29 square kilometres (98.57 sq mi). The park ranges in elevation from 325-1,373 m. Its best known feature is Thailand’s longest railroad tunnel, 1,352 m long.