Khao Phloeng Tunnel is one of the seven railway tunnels in Thailand.

Khao Phloeng Tunnel is one of the seven railway tunnels in Thailand and is a railway tunnel on the northern railway line. It is located in the area between Ban Dan Nakham Subdistrict, Mueang Uttaradit District, Uttaradit Province and Huai Rai Subdistrict, Den Chai District, Phrae Province, between the Khao Phloeng train stop (Uttaradit Province) and Huai Rai (Phrae Province). It is 362.44 meters long. Inside the tunnel is a concrete wall, but some parts are made of rocks. There is no concrete paving under the tunnel. #Waiting for the day to travel #Northeastern team #Missing nature #Secret location