Chulabhorn Dam

Chulabhorn Dam is a rockfill hydroelectric dam on the Phrom River in Thung Lui Lai, Khon San District, Chaiyaphum Province, northeastern Thailand. Built between 1970 and 1972 by the Electricity Generating Authority of Thailand, it was originally Nam Phrom Dam and renamed in honour of Princess Chulabhorn. The dam creates a large reservoir surrounded by forested mountains and serves power generation, irrigation and flood control.

Visitors can expect a large rockfill dam with a reservoir set among forested hills on the Chaiyaphum-Khon Kaen border. The site offers a dam crest road with panoramic views of the reservoir and mountains, a viewpoint, landscaped areas, and an EGAT visitor exhibition about hydroelectric power. The reservoir shoreline is used for sightseeing, photography and seasonal boat trips, with a calm, open environment and facilities for day visitors.

Constructed by the Electricity Generating Authority of Thailand (EGAT) between 1970 and 1972 on the Phrom River as the Nam Phrom Dam project. The rockfill dam is 700 meters long and 70 meters high with an installed hydroelectric capacity. It was later renamed Chulabhorn Dam in honour of Princess Chulabhorn Walailak. It supports hydroelectric power generation, irrigation and flood mitigation for the region.