🇾🇪 Yemen · Hydraulic works
Sadd al-Arim Secondary Dam
Sabaean Kingdom 750 BCE - 570 CE · Sabaean (Saba) kingdom
750 BCE Sabaean secondary saddle dam (420 m) and north sluice extension of Marib, doubling irrigated area via 2.1 km north canal.
🇾🇪 Yemen · Hydraulic works
Marib North Sluice & Northern Oasis Canal (Sadd Ma'rib al-Shamali)
Sabaean to Himyarite (8th c BCE–6th c CE) · Sabaean / Himyarite
North sluice of Great Dam of Ma'rib (750 BCE–575 CE) — 23-m cut-stone control feeding northern oasis.
🇾🇪 Yemen · Hydraulic works
Marib South Sluice & Southern Oasis Canal (Jannat al-Janub)
Sabaean to Himyarite (7th c BCE–6th c CE) · Sabaean / Himyarite
South sluice of Great Dam of Ma'rib (7th c BCE–575 CE) — 18-m limestone control for the grand southern oasis.
🇪🇷 Eritrea · Ancient city
Matara (Metara)
Pre-Aksumite Ethio-Sabaean to Late Aksumite (800 BCE–800 CE) · Ethio-Sabaean D'MT / pre-Aksumite → Aksumite
10 ha highland caravans town with Hawulti 5.5 m Sabaean obelisk, Aksumite stelai, palace of Kaskase and dam reservoir.
🇾🇪 Yemen · Hydraulic works
Marib Wadi Dhana South Dam — Sabaean Southern Oasis Spillway
Sabaean to Himyarite (800 BCE – 575 CE) · Sabaean Kingdom (Saba) and Himyarite maintenance
South dam and spillway of Sabaean 763 m rock-fill marvel feeding southern oasis.