Khun Tan Tunnel Photos

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Khun Tan Tunnel is a long tunnel across the Khun Tan Range. It is the longest of Thailand's seven railway tunnels. The Khun Tan Tunnel is 1352.10 metres long, and situated between kilometre 681.57870 and 682.94080 on the Northern line from Bangkok to Chiang Mai, between Mae Tan Noi, Wiang Tan, and Khun Tan stations.
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Khun Tan Tunnel