Pom Wichian Chodok

Pom Wichian Chodok is a historic riverside fort located at the mouth of the Tha Chin River in Mahachai, Mueang Samut Sakhon District, Samut Sakhon Province, Thailand. Built in 1628 during the Ayutthaya period under King Prasat Thong to defend against maritime invasions, it is one of the oldest forts in the country. Today the brick fort, surrounded by a small park and river views, serves as a local landmark and heritage attraction.

Visitors can expect a small, well-preserved brick fort situated on the west bank of the Tha Chin River near its mouth to the Gulf of Thailand. The site consists of the historic fort walls, cannons, a small park with mature trees, paved walkways, and riverfront views. It is an open-air heritage site suitable for short walks, photography, and viewing the river and fishing boats. Informational signs explain the fort's history.

Built in 1628 during the reign of King Prasat Thong of Ayutthaya to prevent maritime invasions at the mouth of the Tha Chin River. It is considered one of the oldest forts in Thailand. The fort was later restored during the reign of King Rama IV and has served as a coastal defense structure throughout the Ayutthaya and Rattanakosin periods.

Regarded as a symbol and historic landmark of Samut Sakhon Province, representing the province's maritime heritage and Ayutthaya-era defense architecture. The site is respected locally as a heritage monument and is used for educational visits and local cultural appreciation.