A cartridge (2) for a vapour provision system (2,4) comprising the cartridge (2) and a control unit (4), wherein the cartridge comprises a housing part (32) having a mouthpiece end (52) and an interface end (54), wherein the mouthpiece end includes a vapour outlet (60) for the cartridge and the interface end includes an interface for coupling the cartridge to a control unit; an air channel (L) extending from an air inlet in the housing part to the vapour outlet; a reservoir within the housing part containing liquid for vaporisation, wherein an end of the reservoir at the interface end of the housing part is sealed by a resilient plug (44), wherein the reservoir includes a dividing wall (36) between a first reservoir region on a side of the dividing wall facing the mouth piece end of the housing part and a second reservoir region on a side of the dividing wall facing the interface end of the housing part, wherein the dividing wall comprises at least one fluid communication opening (150) to provide fluid communication between the first reservoir region and the second reservoir region; and a liquid transport element (42) arranged to transport liquid from the second region of the reservoir to a vaporiser (40) for generating vapour in a vapour generation region for user inhalation.