A bathing aid is designed to reduce the workload on the caregiver in bathing the physically challenged, elderly or similar persons requiring nursing care. The bathing aid is provided with an upward-opening cover for covering the open top of the bathtub except for an opening for allowing the bather to stick their head through. The cover is supported by arms urged upward by gas springs. The upward-opening cover allows the caregiver to stand whichever side of the bathtub and opens or closes the cover without difficulty. Furthermore, the cover's upward-opening structure is advantageous for reducing the installation space because it does not require the additional side space that would be necessary if the cover is constructed to open sideward.