Bayuda is an elongated volcanic field with fresh volcanic features extending over an area of in northwesterly direction. Within this area, a number of volcanic vents within a narrow space have formed a continuous volcanic surface. Some individual lava fields cover over of surface, but surfaces of about are more typical. There are usually only a few flows per vent, although they often have lobate structures. The surface of the lava flows has varying textures and often contains hills or ridges, generally corresponding to aa lava. Some flows reach lengths of .