Huai Tong Bridge officially known as Pha Mueang Bridge, is a vital part of Highway 12, one of Thailand's most scenic roads. Its construction history began in 1973 and was completed in 1975, designed to link the Northern and Northeastern regions. At that time, construction was immensely difficult as engineers had to build a bridge across a steep, deep valley in the heart of a dense forest. The result was a remarkable 50-meter high pier the highest of its kind in Thailand during that era marking a significant engineering milestone.

The allure of Huai Tong Bridge comes with its legends and a sense of dread. Characterized by an S-shaped curve perched above a seemingly bottomless abyss, it is nicknamed the Bridge of Courage. Locals and travelers often speak of the "Guardian Spirits" of the bridge due to the history of frequent accidents caused by steep inclines and thick fog. Legends of Soul Substitutes have made this place a site of mystery, where drivers often pray for safe passage.

In terms of beauty, the bridge is like a man-made masterpiece dropped into a tropical rainforest. The view from the bridge offers a panoramic sight of the lush Nam Nหนาว National Park mountains. On misty mornings, clouds float beneath the bridge, creating an ethereal sensation of driving toward heaven. It is a beauty that feels chillingly majestic a travel experience that evokes both excitement and awe.

Seeing the gray concrete structure against the deep green forest reinforces the story of human perseverance in overcoming natural obstacles. Huai Tong Bridge is more than just a path; it is a monument to determination, beauty, and a reminder of nature's power.

• By Private Car: Take Highway No. 12, the Lom Sak - Chum Phae route. The bridge is located approximately at kilometer 374 (formerly kilometer 18) in Lom Sak District, before entering Nam Nao National Park.

• Caution: The road on the bridge is very curved and steep. Parking on the bridge is strictly prohibited for safety reasons and to prevent accidents.

• Photo Spots: It is highly recommended to use a drone for long-distance shots (subject to permits) or take photos from the designated roadside rest areas before reaching the bridge. These vantage points provide the clearest view of the bridge's impressive pier height_.

• Safety: Ensure your braking system and engine are in perfect condition before traversing this route. This is especially crucial for trucks and tourists traveling during festival seasons, as the road is steep and winding.

• Best Time to Visit: Early morning as the mist begins to thin is the ideal time. You will witness a stunning contrast between the man-made bridge and the deep, lush valley.

Admission Fee:

• Free (Since it is a public highway).

Opening Hours:

• Accessible 24 hours a day (However, it is strongly advised to avoid traveling at night if you are unfamiliar with the route).