Chaloem Phra Kiat 80 Phansa Bridge, popularly known among locals as the "Ekachai Bridge" or "Sai Kling-Ranot Bridge," stands as one of the most remarkable architectural landmarks in Southern Thailand. Part of the Rural Road Phatthalung 4007, this bridge spans across the vast wetlands connecting Khuan Khanun District in Phatthalung with Ranot District in Songkhla. Extending approximately 5.5 kilometers over the marshes, it holds the record as the longest bridge in Thailand built over a wetland ecosystem. The bridge was specifically engineered as an elevated structure to facilitate regional transportation while strictly preserving the delicate hydrological flow of the wetlands below, preventing the ecological damage that a traditional solid-fill road would cause.

The environment surrounding the bridge is part of "Phru Kuan Ki Sian," Thailand’s very first internationally recognized Ramsar Site. This status highlights the area's global importance as a sanctuary for biodiversity. Travelers crossing the bridge are treated to an unobstructed, panoramic view "Of the Upper Songkhla Lake", where the landscape shifts between vast open waters, emerald lotus ponds, and golden grasslands depending on the season. The defining spectacle of this route is the "Water Buffaloes" of Thale Noi. These domestic buffaloes have uniquely adapted to the swampy environment, developing the ability to swim and dive deep underwater to graze on submerged vegetation during the flood season—a rare ecological phenomenon that draws naturalists from around the world.

Beyond its natural wonders, the bridge is home to a hauntingly beautiful landmark known as the "Twin Abandoned Houses." These yellow wooden structures, once used by local farmers for agricultural storage, now stand isolated in the middle of the floodplains. They have become an iconic photography spot, symbolizing the serenity and the historical traces of the local way of life. Traveling across Ekachai Bridge is more than just a commute; it is an immersive journey through Thailand's largest lagoon ecosystem. It represents a harmonious coexistence where man-made infrastructure sits humbly within the grandeur of a thriving, ancient natural world.

• From Phatthalung city center, take Highway 4048 towards Khuan Khanun District (Thale Noi direction). Upon reaching the Thale Noi junction, turn right onto Rural Road PT.4007 to access the bridge.

• Visit early morning for mist and soft light

• Visit late afternoon for sunset views

• October–December offers best buffalo sightings

• Bring a camera for bird photography

Admission fees:

• Free Admission.

Opening Hours:

• Open 24 hours (Recommended visiting time: 06:00 AM – 06:30 PM).