Castellum Dimmidi (El Hadjira Outpost)
Castellum Dimmidi · Dimmidi · El Hadjira
Roman (198–260 CE)·Roman (Numidia, Severan frontier)·🇩🇿 Ouargla Province, Sahara, El Hadjira oasis line south of Messaad, deepest Roman frontier, Algeria
About
About Castellum Dimmidi (El Hadjira Outpost)
Rome's southernmost Saharan fort (Severan limes), Dimmidi is a 50×40 m burgus with projecting corner towers, vicus with palmetto huts and well (12 m shaft), and Severan bath (præfurnium intact). Cohort sent by Septimius Severus 198–201 CE to control trans-Saharan caravan via Ouargla. Ostraca reveal Palmyrene auxiliaries. Deepest penetration 350 km south of Gemellae.
Why it mattersSouthernmost Roman military installation and Palmyrene deployment evidence in Sahara.
Open questions
Mysteries & theories
Mysteries
- 01Abandonment dating
- 02Caravan commodity
Theories
- 01R. Rebuffat Saharan limes model
- 02Baradez deep frontier
Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.
History
How it came to be
- Built
- Severan burgus 198–201 CE (Septimius Severus)
- Period
- Roman (198–260 CE)
- Culture
- Roman (Numidia, Severan frontier)
- Builders
- Roman (Septimius Severus, Palmyrene cohorts)
- Purpose
- Trans-Saharan caravan control fort and well station
- Excavation
- Partially excavated
198–201 CE
Burgus built by Palmyrene numerus
c.240 CE
Desert patrol ostraca
c.260 CE
Abandoned after crisis
On the ground
Structures & features
32.6200° N · 5.6770° E · 120 m · 2 mapped features
Burgus with Corner Towers
fort50×40 m limestone burgus with 4 projecting towers and ditch
32.6210° N · 5.6780° EPalmyrene Well and Vicus
well12 m well shaft and mudbrick vicus with ostraca pits
32.6190° N · 5.6760° E
Gallery