The Longest Railway Tunnel in Thailand

"Khun Tan Tunnel" in Lamphun Province is renowned as the longest railway tunnel in Thailand. It runs beneath the Elephant Tusk Mountain of the Khun Tan Range, stretching 1,352.10 meters in length. This iconic landmark is a must-see for those traveling on the Northern Railway Line. The tunnel is located near Doi Khun Tan National Park, on the Northern Railway route between Hang Chat District in Lampang Province and Mae Tha District in Lamphun Province. It measures 1,352.10 meters in length, 5.20 meters in width, and 5.50 meters in height. The tunnel is constructed entirely of reinforced concrete, with the northern end being approximately 14 meters higher than the southern end. 🚆 Highlights of the tunnel • The first and longest railway tunnel in Thailand. • Built during the early days of the Northern Railway Line. • Located on the Northern Railway route between Khun Tan Station and Tha Chomphu Station. • Situated at an elevation of 578 meters above sea level. 🚘 How to get there • By train: Take the Northern Railway Line from Bangkok to Khun Tan Station. • By car: Drive from Lamphun or Lampang via the Lamphun-Lampang Road and turn into Doi Khun Tan National Park. 💖 Pros: Great for photography, vintage charm, close to nature, perfect for a relaxed vibe. There are food and beverage services available. 💖 Cons: Coffee shops are abandoned, so no chance to enjoy coffee with a scenic view.