To surely detect an occupant to ride past by a relatively simple constitution.

A ride past detector for a cableway device is rotatably supported in the vicinity of a turning pulley 12 from a landing 16 of an occupant 50, to be provided with a single wheel 22 supporting a wire 10 also rotating according to a feed of the wire 10, elastic receiving means 24 receiving by prescribed elastic force a single wheel shaft part 25 rotatably bearing the single wheel 22 capable of lowering down therewith, operating wheel 30 rotatably supported in the vicinity of the return pulley 12 from the single wheel 22 to come into contact with the wire 10 to rotate according to a feed thereof in the case of the single wheel 22 lowering down by a prescribed distance with the wire 10 by a load of a conveyer 14 with the occupant 50 aboard and a sensor part 32 generating a signal stopping the cable way device by rotating the operating wheel 30.