Chao Phraya Dam

Chao Phraya Dam is Thailand's first large-scale dam and barrage on the Chao Phraya River, located in Bang Luang, Sapphaya District, Chai Nat Province. Completed in 1957 as part of the Greater Chao Phraya Irrigation Project, it regulates river flow for irrigation, flood control and water supply to the central plains. The dam features 16 sluice gates and a landscaped park area popular for sightseeing.

Visitors can expect a large concrete barrage dam spanning the Chao Phraya River with 16 steel sluice gates, a reservoir upstream and regulated river downstream. The site includes landscaped gardens, viewpoints over the river, a small park area, fish and bird viewing spots, and information displays about irrigation. The surroundings are flat agricultural plains with road access, parking areas and riverside walkways for photography and leisurely walks.

Constructed between 1952 and 1957 during the government of Plaek Phibunsongkhram and inaugurated in 1957, Chao Phraya Dam was Thailand's first large dam. It was the centerpiece of the Greater Chao Phraya Project initiated under King Bhumibol Adulyadej (Rama IX) to provide irrigation for the central plains, control seasonal flooding and support agriculture. The project was designed with assistance from the Royal Irrigation Department and international consultants.

The dam is significant for its role in Thailand's agricultural development and water management, supporting rice cultivation in the Chao Phraya basin. It is a well-known local landmark and recreational area for residents of Chai Nat and neighboring provinces, often visited during festivals and holidays.