Chulabhorn Dam


Chulabhorn dam, or formerly Nam Phrom dam, was built across the Nam Phrom River at an area known as Phu Yuak on the Khun Phai Mountain in Khon San district, Chaiyaphum province.

Dam Features

Crest Length
Crest width
Reservoir’s surface area
Reservoir’s storage capacity
Maximum reservoir water level

Rockfill dam with clay core
70 meters
700 meters
8 meters
12 square kilometers
188 million cubic meters
+ 763 meters(MSL)

Power Plant
The powerhouse consists of two 20 MW Pelton generating units that can annually generate 57 million units of electric power

Operation Year: 1972
Date of Inauguration: June 3, 1973