APURE

apure, a river of western venezuela, formed by the confluence of the sarare and uribante at 6 deg. 45' n. lat. and 71 deg. w. long., and flowing eastward across the venezuelan _llanos_ to a junction with the orinoco at about 7 deg. 40' n. lat. and 66 deg. 45' w. long. its drainage area includes the slopes of both the colombian and venezuelan andes. it has a sluggish course across the _llanos_ for about 300 m., and is navigable throughout its length. its principal tributaries are the caparro, portuguesa and guarico on the north, and the caucagua on the south. its lateral channels on the south mingle with those of the arauca for many miles, forming an extensive district subject to annual inundations.