This paper presents a model of end moraine sedimentation based on data from Pleistocene ice sheet margins. According to this model, end moraines quite often constitute alluvial fans (or coalesced fans) formed at the ice margin by redeposition of supraglacial material. Three types of end moraine fan have been recognized: those composed mainly of mass-flow deposits (type A-equivalent to ''dry'' alluvial fan in nonglacial settings), those containing both mass-flow and waterlain sediments (type B) and those that contain mainly sorted waterlain material (type C-equivalent to ''wet'' alluvial fan in nonglacial settings). For each type of fan, several sedimentary subenvironments, differentiated by distance from the ice front, are identified. The diagnostic processes on the end moraine fans are: cohesive and cohesionless debris flows or grain flows (types A and B) or hyperconcentrated flows and sheetflows (types B and C). The type B fan seems to represent the most typical sequence in the end moraine zones, but the type C fan is also quite common at the Pleistocene ice sheet margins. Our studies also suggest that the terminal supraglacial drainage controls the type of end moraine fan sedimentary subenvironment (moraine types A, B, C), whereas subglacial hydrology and ice stream regime, which determine the mobility of the ice front and larger scale conditions of sediment supply to the ice margin, control the location and size of the end moraine fan.