sentences:  Rainy season (June to September) is one of the four seasons in Burkina Faso; the other three being, an intermediate season from September to mid November, the summer of harmattan season of the Sahara hot and stormy winds (mid February to mid June) and the dry and winter cool season from mid November to mid February.During the rainy season is when the shrubs and stunted trees flourish in the savanna in the northern region where rainfall incidence is about 10 inches and the rivers flow full with dense vegetation growing in the southern region of the country when the rainfall incidence is as high as .There are four important National Parks in Burkina Faso namely, the Arli National Park existing since 1954, the Deux Balés National Park, Kaboré Tambi National Park and the W of the Niger National Park which is a trans-boundary park existing since 1957.