Websiteen.wikipedia.orgQanat of Gonabad 34.35N 58.65E 700 BCE oldestWikipedia · 2023Open on en.wikipedia.org 0Why it matters: Gonabad oldest 700 BCEPlacesThe place this coversQanat-e Gonabad South Gallery (Ghasemabad South Branch Qanat)🇮🇷 Iran · Razavi Khorasan Province, Gonabad County, Ghasemabad South Gallery 12 km south of Qasbeh Gonabad (South Qanat) · Hydraulic works