Foggaras of the Touat (Adrar–Reggane Foggaras)
فقاقير توات · Touat Foggaras · Adrar Foggaras
Sanhaja Berber to Marinid·Touat Zenete–Sanhaja oasis·🇩🇿 Adrar Province, Touat, Adrar–Reggane Corridor, Algeria
About
About Foggaras of the Touat (Adrar–Reggane Foggaras)
Touat central Saharan foggara corridor 180 km Adrar–Reggane (280 m) between Gourara north and Tidikelt south, Algerian Sahara's densest foggara ensemble: 84 active foggaras (2020) total 140 km gallery, 3,200 shafts 6–22 m deep every 9 m, irrigating 2,800 ha Adrar palm belt and ksour. Gallery sections in Touat limestone 0.7×1.4 m with gypsum plaster; seguia channels 14 km with siphon aqueduct over Oued Adrar. Oldest Touat foggaras 11th c. (Sanhaja) with 14th c. Jewish engineer text. System still supplies 70% of Adrar oasis water despite diesel competition; communal ti'me-share clock.
Why it mattersDensest Sahara foggara corridor (84 foggaras 140 km) with 11th c. Sanhaja and Jewish engineering text.
Open questions
Mysteries & theories
Mysteries
- 01Sanhaja vs Garamantean origin—north Saharan diffusion
Theories
- 01Garamantean diaspora to Touat
Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.
History
How it came to be
- Built
- c.1050 CE (Sanhaja initial), expanded 1350 CE
- Period
- Sanhaja Berber to Marinid
- Culture
- Touat Zenete–Sanhaja oasis
- Builders
- Touat foggara masters with 14th c. Jewish engineers (treatise Kitab al-Qany)
- Purpose
- Touat palm-belt oasis irrigation and ksar water supply across 180 km corridor
- Abandoned
- still operating (84 foggaras 2020)
- Rediscovered
- 1902 Adrar colonial inventory (Toutain); 2018 foggara GPS mapping (Remini); 2021 Adrar heritage listing
- Excavation
- Excavation ongoing
1050 CE
Earliest Sanhaja Touat foggaras
1350 CE
Jewish engineer Kitab al-Qany describes Touat galleries
On the ground
Structures & features
27.8700° N · 0.2800° W · 280 m · 2 mapped features
Adrar Touat Siphon Aqueduct
aqueduct180-m siphon vault lifting seguia over Oued Adrar
27.8720° N · 0.2780° WTouat Foggara Shaft Cluster
shafts9-m spaced shafts 6–22 m deep, 3,200 shafts over 140 km
27.8680° N · 0.2820° W
Gallery