Far North Region, Cameroon Logone rises west of the territory and flows north to form most of the border between the Far North and Chad. It eventually meets the Chari, which also rises in Chad. The Chari forms the remainder of the Chad-Cameroon border beginning at Kousséri before emptying into Lake Chad. These rivers all follow a tropical regime, fluctuating between high water in the wet season (May to September) and low water in the dry season (October to April). At the height of the dry season, many of the waterways disappear completely or else diminish to a mere trickle. The Logone all but
Geography of Chad where its borders converge, Chad's average width is about 800 kilometers. Its area of 1,284,000 square kilometers is roughly equal to the combined areas of Idaho, Wyoming, Utah, Nevada, and Arizona. Chad's neighbors include Libya to the north, Niger and Nigeria to the west, Sudan to the east, Central African Republic to the south, and Cameroon to the southwest. Chad exhibits two striking geographical characteristics. First, the country is landlocked. N'Djamena, the capital, is located more than 1,100 kilometers northeast of the Atlantic Ocean; Abéché, a major city in the east, lies 2,650 kilometers from the Red Sea; and Faya-Largeau,