|Location||Baysh, Jizan Region|
|Purpose||Flood control, irrigation, groundwater recharge|
|Owner(s)||Ministry of Water and Electricity|
|Dam and spillways|
|Type of dam||Gravity|
|Height (foundation)||106 m (348 ft)|
|Height (thalweg)||74 m (243 ft)|
|Length||340 m (1,120 ft)|
|Width (base)||79.5 m (261 ft)|
|Dam volume||675,000 m3 (883,000 cu yd)|
|Spillway capacity||8,186 m3/s (289,100 cu ft/s)|
|Total capacity||192,750,000 m3 (156,260 acre⋅ft)|
|Catchment area||4,843 km2 (1,870 sq mi)|
|Surface area||8 km2 (3.1 sq mi)|
The Baysh Dam is a gravity dam on Wadi Baysh about 35 km (22 mi) northeast of Baysh in the Jizan Region of southwestern Saudi Arabia. The dam has many purposes to include flood control, irrigation and groundwater recharge. The dam was constructed between 2003 and 2009. At 106 m (348 ft) in height, it is the tallest dam in Saudi Arabia. It was constructed by Yüksel İnşaat A.Ş. and is owned and operated by the Ministry of Water and Electricity.
- Alhamid, Abdulaziz A. (2004). "Achievements of the custodian of the two holy mosques in water sector, PSIPW" (PDF). King Saud University. Retrieved 27 March 2014.
- "Baysh Dam". Yüksel İnşaat A.Ş. Retrieved 27 March 2014.