Digging of the Ubulla Canal

حفر نهر الأبلة

Basra

Dijlat al-Awra's tidal rain-channel ran a farsakh, its Basra-side basin called al-Ijana; Umar ordered Abu Musa to dig the Basrans a canal — he began at al-Ijana, led it three farsakhs to Basra, making the Ubulla canal four — then the reach toward al-Hayri silted up. Ziyad, on the diwan under Abdallah ibn Amir, urged completing the dig and was stalled till Ibn Amir left for Khurasan; he resumed Abu Musa's channel to Basra with Abd al-Rahman ibn Abi Bakra in charge, who opened the water racing his horse as it nearly outran him. Ibn Amir returned angry — 'you meant to carry off the canal's fame' — and the estrangement held between their houses for life; before the canal, folk drank from Dayr Qawus on the Tigris, a spot the spirits haunted.

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Era
The Rashidun Caliphate · The Umayyad Period
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In space

Basra

Map: Natural Earth, public domain · places and route from the graph

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Had participant
Abu Musa al-Ashari· زياد بن أبي سفيان· Abd al-Rahman ibn Abi Bakra· عبد الله بن عامر
Occurred at
Basra

People and things also explored

The Basra Bathhouse Permissions· Digging of the Ma'qil Canal· Mu'awiya's Marsh Grant· Nafi' ibn al-Harith's Walking Grant· Abd al-Rahman ibn Abi Bakra· Basra· Great Mosque of Basra· The Asawira's Settlement at Basra

Sources

  • Futuh al-Buldan — al-Baladhuri (Mu'assasat al-Ma'arif edition)
Cite this page

islam.museum contributors. “Digging of the Ubulla Canal”. islam.museum, https://islam.museum/en/event/digging-of-nahr-al-ubulla/. CC BY-SA 4.0. Accessed 2026-10-13.

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Related

The Basra Bathhouse Permissions

Muslim ibn Abi Bakra drew a thousand dirhams and much food daily from his bathhouse; sick, he willed it to his brother Abd al-Rahman and told him the yield — who disclosed it and asked the Sultan's leave to build his own, baths being built at Basra only by the governors' permission. Leave followed for Ubaydallah ibn Abi Bakra, al-Hakam ibn Abi al-As, Siyah al-Uswari, al-Husayn ibn Abi al-Hurr al-Anbari, Rayta bint Ziyad, Lababa bint Awfa al-Jarashi for two, and al-Munjab ibn Rashid; Muslim recovered to find his yield ruined and kept saying 'may God cut his mercy'.