The Moei River is a unique and captivating waterway with a charm unlike any other. Originating in Phop Phra District, Tak Province, it is famous for its geographical anomaly: instead of flowing south like most rivers, the Moei flows northward through Mae Sot, Mae Ramat, and Tha Song Yang, eventually merging with the Salween River in Myanmar. Spanning over 327 kilometers, this river serves as a vital natural border between Thailand and Myanmar. Along its banks, visitors can witness the simple daily lives of locals and a bustling cross-border trade, particularly at the Thai-Myanmar Friendship Bridge, a key economic gateway.

A must-visit landmark is the Rim Moei Market, located right on the Thai riverbank. It is a hub for local goods, including Burmese gemstones, wooden crafts, agricultural products, and dried foods. During the dry season, as the water level recedes, sandbars emerge in the middle of the river, allowing locals to walk across—a distinctive and magical border atmosphere. Furthermore, the riverfront is lined with cozy restaurants where you can enjoy the breeze while taking in the views of the mountain ranges and the daily routines of people on the Myanmar side.

The beauty of the Moei River is amplified during the rainy and winter seasons, when the surrounding forests turn lush green and mist drifts over the water's surface. Visiting the Moei River is more than just a border trip; it is an encounter with the deep connection between two nations bound by this single stream. If you have the chance to visit Mae Sot, a sunset stroll along the Moei River, with the backdrop of foreign mountains, offers a truly memorable experience—a glimpse into what many call a "timeless border."

By private car:

• From Mae Sot town, take Highway No. 12 (Mae Sot–Rim Moei) heading west to the end of the road. The distance is approximately 5–6 kilometers. You will arrive at the Thai–Myanmar Friendship Bridge and Rim Moei Market, the most popular viewpoint of the Moei River.

• Check-in spot: Visitors often take photos at the “Westernmost Point at Rim Moei,” marking the westernmost point of Thailand.

• Border crossing: Travelers wishing to cross to Myanmar (Myawaddy) can apply for a temporary border pass at the immigration office near the Friendship Bridge (please check current border opening schedules in advance).

• Season: During the dry season, water levels drop significantly, revealing sandbanks in the river and offering clear views of daily life along both riverbanks.

• Preparation: Bring cash for shopping at the market, and visit in the morning or late afternoon to avoid extreme heat.

Admission Fee:

• Free admission (no entrance fee for viewing the river or visiting Rim Moei Market)

Opening Hours:

• The river can be viewed at any time, while Rim Moei Market is generally open from 08:00 AM to 06:00 PM.