Khun Tan Tunnel is not merely the longest railway tunnel in Thailand, stretching 1,352.10 meters; it is a monument where sweat, faith, and haunting legends converge. Construction began in 1907 under the supervision of German engineer Emil Eisenhofer, who faced supernatural obstacles and a pristine jungle infested with deadly malaria and wild beasts. In those days, drilling through the heart of the mountain was believed to offend the forest spirits. This led to dark tales of mystery and curses during the work, resulting in a tragic history where over a thousand lives were sacrificed. These workers perished from epidemics, rockfalls, and the sheer brutality of an 11-year excavation. Every inch of the tunnel was bought with the breath of those who fell, leading to the summoning of Chao Pho Khun Tan, a sacred guardian spirit, to protect and guide the project to its completion in 1918.

The mystical aura of this tunnel is ever-present through the Chao Pho Khun Tan Shrine, perched majestically above the tunnel entrance. Every passing train and tourist pays respects here for good fortune. Nearby stands the monument of Emil Eisenhofer, housing his ashes per his final wish to eternally rest at the site where he dedicated his soul. This makes the area around the red-brick tunnel feel more like a spiritual sanctuary than a mere tourist attraction. The original German-style red-brick architecture at the entrance, contrasted with the lush greenery and low-hanging mist of Thailand's highest railway station, creates an atmosphere that is both solemn and breathtakingly beautiful.

The true charm of visiting Khun Tan Tunnel lies in listening to the echoes of history carried by the chilling wind blowing from the tunnel’s mouth. Paying homage to Chao Pho Khun Tan before crossing the border from Lamphun to Lampang is a tradition not to be missed. For travelers seeking more than just a pretty photo, riding a classic train through the pitch-black darkness of Khun Tan Tunnel is a moment that will send shivers down your spine a tribute to human greatness challenging nature and the enduring faith that dwells within this mountain. It is an experience that ensures your journey to Lamphun will remain etched in your heart forever.

• By Train: Get off at Khun Tan Station. The tunnel and the shrine are located just a few steps from the platform. This is the most classic way to arrive.

• By Private Car: From Highway 11, enter Mae Tha District and follow the signs to Khun Tan Railway Station. The road is paved, and parking is available near the station.

• Beliefs: It is popular for tourists to offer garlands and light incense to Chao Pho Khun Tan to pray for a safe journey and protection from the supernatural.

• Photo Spots: Besides the iconic red-brick entrance, the German Engineer’s Monument is another spot that feels solemn and historically beautiful.

• Caution: Always be mindful of trains passing through and never enter the tunnel for your own safety.

Admission Fee

• Free (No entry or worship fee).

Opening Hours

• Accessible all day (Recommended between 06:00 AM – 06:00 PM for safety and best lighting).

Train Timetable:

 Northbound Timetable: Bangkok to Khun Tan

Southbound Timetable: Khun Tan to Bangkok