Burkina Faso . Burkina Faso is therefore a relatively flat country. The country owes its former name of Upper Volta to three rivers which cross it: the Black Volta (or "Mouhoun"), the White Volta ("Nakambé") and the Red Volta ("Nazinon"). The Black Volta is one of the country's only two rivers which flow year-round, the other being the Komoé, which flows to the southwest. The basin of the Niger River also drains 27% of the country's surface. The Niger's tributaries – the Béli, Gorouol, Goudébo, and Dargol – are seasonal streams and flow for only four to six months a year. They
Upper Senegal and Niger Division of the Colony of Upper Senegal and Niger and the Creation of the Colony of Upper Volta" of 1 March 1919, which divided the colony into two distinct units: The colony of Upper Senegal and Niger is perhaps remembered most often by philatelists, since it issued a number of postage stamps during its existence. Upper Senegal and Niger Upper Senegal and Niger () was a colony in French West Africa, created on from colonial Senegambia and Niger by the decree "For the Reorganisation of the general government of French West Africa". At its creation, the "Colony of Upper Senegal