List of railway tunnels in Thailand

This is a list of tunnels on Thailand's railway network.

Railway Tunnels in Thailand
Tunnel Picture Length Location Line(s) Note(s)
Khun Tan Tunnel
Khun Tan North Western Portal, Lamphun Province
1,352.15 m (4,436.2 ft) Lampang and Lamphun Province Northern Line Located adjacent to Khun Tan station at an altitude of 577 m, it is the highest station on the Thai rail network. The tunnel is in Doi Khun Tan National Park and it took 11 years to build, being completed in 2461 (1918). 
Phra Putthachai Tunnel 1,197 m (3,927 ft) Saraburi Province Eastern Line The longest only Thai construction railway tunnel of Thailand.
Khao Phlung Tunnel
The northern portal of Khao Plueng Tunnel, Phrae Province
362.44 m (1,189.1 ft) Uttaradit and Phrae Province Northern Line Khao Phlung Tunnel was constructed in 1910 (BE 2453).

Alsthom Loco emerging from the northern portal

Chong Khao Tunnel 235.90 m (774.0 ft) Nakhon Si Thammarat Province Southern Line
Khao Phang Hoei Tunnel 230.60 m (756.6 ft) Lopburi Province Northeastern Line Established on August 19, 1967.
Huai Mae Lan Tunnel
Northern portal of Huai Mae Lan Tunnel, Phrae Province.
130.20 m (427.2 ft) Phrae Province Northern Line Huai Mae Lan Tunnel was constructed in 1912 (BE 2455)

A railcar emerging from the northern portal

An Alsthom Loco emerging from the southern portal

Pang Tub Khob Tunnel
The northern portal of Pang Tub Khob Tunnel, in Uttaradit Province
120.09 m (394.0 ft) Uttaradit Province Northern Line The shortest tunnel, constructed 1909 (BE 2452)

Alsthom loco passing south through the tunnel

See also

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