A 13-meter cas­cade where the Sene­gal Riv­er tum­bles over rocky steps. His­tor­i­cal­ly sig­nif­i­cant as the fur­thest point boats could reach from Saint-Louis. In 2009, a 62.3 MW hydro­elec­tric plant was built, replac­ing a 1920s facil­i­ty. Near­by is Médine vil­lage, where French forces built a fort in the 19th cen­tu­ry to con­trol the region.