Mysteria
Jenné-Jeno – Niger Inland Delta Harbour Mound, Mali

Jenné-Jeno – Niger Inland Delta Harbour Mound, Mali

Djenné-Djeno · Jenne-Jeno harbour mound · Inland delta harbour

Iron Age to Medieval (c. 250 BCE – 1400 CE)·Soninke / Jenné-Jeno / Djenné·🇲🇱 Mopti, Djenné, Mali

MODIS Land Rapid Response Team, NASA GSFC · Public domain

About

About Jenné-Jeno – Niger Inland Delta Harbour Mound, Mali

Jenné-Jeno, Niger Inland Delta urban mound (25 ha, 13.9058°N -4.5483°E), was a riverine harbour-bazaar on the Bani tributary with seasonal wharves 200 m along eastern mound foot buried 1.5 m under floodplain silt, traced by McIntosh–McIntosh (1977–2004) coring: harbour mud with 250 BCE–1400 CE pottery, iron blooms and glass beads at 1.5 m, plus 3 m-high mound with 33 tells. UNESCO site. Harbour moored pinasse canoes that linked Timbuktu–Djenné trade via Inland Delta canals; mound stratigraphy 9 m deep anchors West African urbanism before Ghana Empire. Harbour channel shifted with Niger's annual 6 m flood pulse.

Why it mattersLargest Inland Delta harbour mound; wharf–mound linkage anchors West African pre-Aksumite urbanism and Niger hydrochronology.

Open questions

Mysteries & theories

Mysteries

  1. 01Whether mound hosted permanent harbour or seasonal flood port

Theories

  1. 01Wharf posts trace Bani flood-pulse harbour that migrated yearly with delta lakes

Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.

History

How it came to be

Built
c. 250 BCE (mound settlement); wharves 3rd c. CE
Period
Iron Age to Medieval (c. 250 BCE – 1400 CE)
Culture
Soninke / Jenné-Jeno / Djenné
Purpose
Niger Inland Delta harbour bazaar – gold, kola, salt transhipment between Djenné, Timbuktu, Ghana
Abandoned
c. 1400 CE (Mali–Songhai shift and harbour channel migration)
Rediscovered
1977 McIntosh survey; UNESCO 1988
Excavation
Buried
  1. 250 BCE

    Jenné-Jeno mound founded on Bani floodplain

  2. 1400 CE

    Mound abandoned as harbour channel shifts 1 km north

  3. 1977

    McIntosh excavates harbour wharf posts at 1.5 m

On the ground

Structures & features

Gallery

Photo

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