Hassan Addakhil
Guardian of the Ziz Gorges and Morocco's largest palm grove, built with US Army Corps assistance.
85 m
Height
312.8
Capacity (Mm³)
76%
Fill Rate
7
Hydroelectric (MW)
1971
Built In
About This Dam
Built between 1968 and 1971 with US Army Corps of Engineers assistance, Hassan Addakhil Dam is an 85 m impervious clay core embankment dam on the Ziz River, 10 km from Errachidia. Constructed in response to catastrophic 1965 floods that displaced 25,000 people, it protects the Tafilalet, Morocco's largest palm grove. Its 313 million m³ reservoir stretches 7 km, guarding the entrance to the spectacular Ziz Gorges. The complex includes auxiliary dams, a spillway and irrigation galleries feeding downstream oases.
Historical Fill Rates
Key Specifications
- Location: Drâa-Tafilalet · Nearest City: Errachidia
- River: Ziz · Basin: Ziz-Rheris
- Type: Gravity Dam · Height: 85 m
- Capacity: 312.8 Mm³ · Built In: 1971
- Hydroelectric: 7 MW
- Coordinates: 31.9930°N, 4.4610°W
Purpose
Irrigation
Provides water for agricultural irrigation
Flood Control
Protects downstream areas from flooding
Hydroelectric
Generates renewable hydroelectric power
Frequently Asked Questions
What is the capacity of Hassan Addakhil Dam?
Hassan Addakhil Dam has a total storage capacity of 312.8 million cubic meters (Mm³) and a height of 85 meters. It ranks among Morocco's strategic reservoirs and plays a key role in regional water security.
Where is Hassan Addakhil Dam located?
Hassan Addakhil Dam is located in the ziz-rheris river basin in Morocco. It is part of the national network of large dams managed by Morocco's hydraulic authorities.
When was Hassan Addakhil Dam built?
Hassan Addakhil Dam was commissioned in 1971. It forms part of Morocco's ongoing national dam-building program, which has expanded significantly since the 1960s.
What is the current water level at Hassan Addakhil Dam?
As of the latest update, Hassan Addakhil Dam holds 237.7 Mm³ out of a total capacity of 312.8 Mm³, representing a fill rate of 76%. Levels are updated regularly to track seasonal rainfall and water releases.
What is Hassan Addakhil Dam used for?
Hassan Addakhil Dam serves several purposes: supplying drinking water to nearby cities, irrigating agricultural land, regulating floods to protect downstream areas, and supporting regional water management.
Which river feeds Hassan Addakhil Dam?
Hassan Addakhil Dam is built on the Ziz River. The dam captures the river's flow to store water for drinking, irrigation, and flood control.
Current Level
GoodCapacity
238
Mm³
Remaining
74.8
Mm³
Fill Rate
76%
Updated · July 2026
Geography
- Region
- Drâa-Tafilalet
- Nearest City
- Errachidia· 8 km
- Coordinates
- 31.993, -4.461
Kaddoussa
Kaddoussa Dam is a vital structure for drinking water supply to the desert regions of the Oriental. Built on the Guir River, it protects surrounding oases against flooding and provides irrigation water to approximately 5,000 hectares of agricultural land.
ModerateCapacity
224.2
Height
62m
Built In
2023
Timkit
Timkit Dam is located approximately 120 km southwest of Errachidia on the Iffegh River, a tributary of the Gheris. It supplies drinking water to the local population, irrigates agricultural land, and contributes to preserving the Tinejdad palm grove.
GoodCapacity
14
Height
56m
Built In
2015