An endoscope is provided in which an attachment/detachment operation of the proximal end of a wire can be easily performed to/from an erecting operation mechanism and the wire can be prevented from meandering in a wire channel. An endoscope has an operation section 22 provided with an erecting lever, and a movable member 96 that moves in association with an operation of the erecting lever. The movable member 96 is arranged to be exposed to outside of the operation section 22. A wire 60 has a distal end side coupled to an erecting base, and a proximal end side coupled to an attachment member 98 that is attachable to and detachable from the movable member 96 by a one-touch operation. The wire 60 is configured of a wire body 60A and a gap filling member 60B.