Provided is an endoscope that can easily perform the attachment and detachment work of a proximal end side of a wire with respect to a slider.An endoscope includes a base member (98) that forms a slider housing space (150) that is independent of an internal space of an operating part (22), an opening part (94) that is provided at a proximal end of a wire channel (62) and delivers the proximal end side of the wire (60) to a slider housing space (150), a slider (96) that is disposed in the slider housing space (150) and moves in a longitudinal direction of the operating part (22) depending on the operation of an erection operating lever (20) so as to be movable forward and backward, an engaged part (152) that is provided in the slider (96) and recessed toward a lateral side orthogonal to a movement direction of the slider (96), and an engaging member (154) that is provided at the proximal end of the wire (60) and is pushed into and engageable with the engaged part (152) from the lateral side.