Rajjaprabha Dam

Rajjaprabha Dam (Thai: เขื่อนรัชชประภา, RTGS: Khuean Ratchaprapha, pronounced [kʰɯ̀a̯n rát.t͡ɕʰā.prā.pʰāː]) or Cheow Lan Dam (เขื่อนเชี่ยวหลาน, RTGS: Khuean Chiao Lan, pronounced [kʰɯ̀a̯n t͡ɕʰîa̯w lǎːn]) is a multi-purpose dam in Ban Cheow Lan, Tambon Khao Phang, Ban Ta Khun District, Surat Thani Province. Its purpose is electricity generation, irrigation, flood control, and fishing. Construction started on 9 February 1982. It was inaugurated on 30 September 1987. King Bhumibol Adulyadej gave the dam the name "Rajjaprabha", meaning 'light of the kingdom'.[1]

Rajjaprabha Dam
Location of Rajjaprabha Dam in Thailand
Country	Thailand
Location	Ban Ta Khun District
Purpose	Power, irrigation
Status	Operational
Construction began	1982
Opening date	1987
Dam and spillways
Type of dam	Embankment, rock-fill
Height	95 m (312 ft)
Length	761 m (2,497 ft)
Reservoir
Total capacity	5,639,000,000 m3 (4,572,000 acre⋅ft)
Surface area	185 km2 (71 sq mi)
Turbines	3 x 80 MW
Installed capacity	240 MW

Rajjaprabha is a rockfill dam with clay core. It is 95 meters high, 761 meters long, with a capacity of 5,639 million m³ of water, covering 185 km². The power plant houses three 80 MW generators, totalling 240 MW of generating capacity.[1]

The lake attracts over 70,000 tourists every year. Due to its scenery, it has been called "Guilin, Thailand".[2] Much of the lake is under the supervision of Khao Sok National Park.[3][4]