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🇮🇷 Iran · Hydraulic works
Timurid to Safavid–Qajar (14th–19th c.), Sasanid precursor mythic · Yazdi Persian (Imam Reza pilgrimage route water, Zoroastrian Yazd water wisdom)
Yazd 45-km 70-m mother well qanat 150 L/s since Safavid, feeding Mehriz 800 ha pistachio under Shirkuh, UNESCO 550.
🇮🇷 Iran · Hydraulic works
Iron Age to Sassanian (Achaemenid to late antiquity) · Persian (Achaemenid–Sassanian) hydraulicians
Oldest functioning qanat 33 km, 360-m mother well, Achaemenid c.700 BCE, 150 L/s Persian Qanat UNESCO.
🇮🇷 Iran · Hydraulic works
Achaemenid to present (520 BCE–ongoing) · Achaemenid Gonabad oasis (Khorasan piedmont)
South Gonabad gallery 4.1 km with 62 shafts 42 m mother well: Achaemenid 520 BCE saruj, 12 L/s to Ghasemabad saffron.
🇮🇷 Iran · Hydraulic works
Achaemenid core 500 BCE to Sasanian 450 CE (extension) to present · Yazdi Zarch piedmont oasis (Kavir piedmont)
North Zarch extension 8.2 km with 88 shafts mother 34 m, 6 badgir towers 18 L/s: Sasanian 450 CE graft onto 500 BCE core.
🇮🇷 Iran · Hydraulic works
Ilkhanid branch on Achaemenid–Sasanian trunk · Ilkhanid Yazd (branch) on Persian qanat tradition
Qanat-e Zarch west: 11.2-km Ilkhanid branch of world's longest 71-km Yazd qanat, UNESCO 1476.
🇮🇷 Iran · Hydraulic works
Achaemenid to Sassanian (~700 BCE – 300 CE) · Persian (Achaemenid, Sassanian)
Possibly the oldest and deepest qanat in Iran, the Qasabeh Qanat of Gonabad extends 33 km with a mother-well 300 m deep — the deepest vertical shaft ever hand-dug.
