Khun tan train tunnel : Lampang-Lamphun
Khun tan train tunnel
Khun Tan train tunnel is Thailand longest tunnel under the mountain. It’s 1,352 M. long. At the mouth of the tunnel is Khun Tan train station which Is decorated with the beautiful flower. Besides, there are Chaopho Khun Tan Emil Eisenhofer, German engineer who was the head of railway construction