Spanning for 509 km, the boundary between Mali and Senegal mainly follows a series of rivers. French authorities demarcated the border in 1895, and the line was reaffirmed in a 2014 agreement between the Malian and Senegalese governments. There are no disputes regarding the border, and the two countries share generally cooperative relations.

For access to the full Mali–Senegal Boundary Brief, contact us.

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