Mesopotamian Marshes

The Mesopotamian Marshes are the large wetland complexes of southern Iraq formed where the Tigris and Euphrates rivers slow before the Persian Gulf. They are an extensive reed and freshwater marsh landscape long associated with the Marsh Arab (Ma’dan) peoples and with high wetland biodiversity.

The marshes comprise several distinct areas including the Central Marshes, the Hammar Marshes and the Hawizeh (Huwayzah) Marshes, together supporting reedbeds, permanent and seasonal open water, and important bird and fish populations over thousands of square kilometres. Visitors come for boat-based tours, wildlife watching and to see traditional reed settlements, though access and conditions vary seasonally and by local security and infrastructure.

Historically the marshes supported long-established, water-based livelihoods and unique reed-built villages. Large-scale drainage and diversion projects in the late 20th century drastically reduced the area and displaced communities; after 2003 recovery programs and renewed river flows allowed partial re-flooding and the return of many inhabitants and wildlife, though hydrology remains altered.

The wetlands lie in southern Iraq on the Mesopotamian plain, between the lower reaches of the Tigris and Euphrates and upstream of the Shatt al-Arab and Persian Gulf, principally within Basra, Maysan and Dhi Qar governorates and with part of the Hawizeh Marshes extending into western Iran.

• Birdlife seasonality: Best ecological viewing for migratory waterfowl and resident birdlife is in late autumn through spring, when water levels and bird numbers are highest.
• Recent restoration history: Much of the marshland was drained in the 1990s and has been partially restored since 2003, which altered hydrology and settlement patterns of the local Marsh Arab communities.

What to See #

• Central Marshes: Central Marshes - the core wetlands formed where the Tigris and Euphrates braid before reaching the Gulf, historically the largest contiguous reed and water system in southern Mesopotamia.
• Hawizeh Marshes: Hawizeh (Huwayzah) Marshes - an eastern sector that straddles the Iraq-Iran border and retains cross-border hydrological connections.
• Hammar Marshes: Hammar Marshes - the southern marshes nearer the present-day Shatt al-Arab and the Persian Gulf, historically seasonally inundated reedbeds and tidal-influenced wetlands.