National parks in the North Doi Khun Tan National Park Click
here to go to the map Located in the mountains of northern
Thailand, Doi (mountain) Khuntan national park is home to many
interesting species of flora and fauna as well as historical
places. One of its distinguished feature is the Thailand's
longest railroad tunnel (Khun Tan tunnel), which is 1,352 meters
long. Doi Khuntan National Park contains the mountains
straddling Lamphun and Lampang provinces. Established in 1975,
it is the 14th national park in Thailand. The three seasons are
hot season from late February to June, rainy season from July to
early November, and the remainder is the cold season. "Doi"
translates to mountain in Northern Thai, while "Khun tan" refers
to the numerous streams flowing down from the mountain. Khun Tan
tunnel Construction of the tunnel at Khuntan, which was cut
through solid granitee bedrock, began in 1918. Khuntan tunnel
was nicknamed the "cemetery of laborers" as it is said that over
1,000 workers died while constru