Abstract: A combined seat and rowing device for a canoe which includes a U-shaped frame having the legs thereof interconnected by a cross-piece and clamps slidably mounted on such cross-piece to detachably mount the device on a canoe. The frame has two upwardly directed portions with an oar lock pivotally mounted on respective ones thereof. A sheet of flexible material traversing the frame provides a seat for the occupant and an optional backrest may be pivotally mounted on the frame.