Patrice Lumumba Square is one of the few genuinely open public spaces in central Bamako — a wide, shaded plaza near the river, named for the Congolese independence leader who was assassinated in 1961. The square has benches, trees, and a monument, and it draws a mix of office workers at lunch, shoe shiners, and itinerant vendors. It's a good place to sit and watch the city move.
The square is close to the Niger River and the city's government quarter. Early mornings are calm; midday can be lively with street food stalls set up on the perimeter. It lacks the formal grandeur of official African plazas — which is, in its own way, an advantage. Worth a look if you're walking between the National Museum and the river area.