An endoscope in which an erecting operation of a treatment tool erecting base can be smoothly performed during an operation of the endoscope is provided. An endoscope according to the present invention has an operation section 22 provided with an erecting operation lever 20 and angle knobs 64； an insertion section 24 that is provided on a distal end side of the operation section 22 and that has a bending part 52 that is moved to be bent by an operation of the angle knobs 64； an erecting base 30 provided at a distal end part 26 of the insertion section 24； and a movable member 96 that is arranged to be exposed to outside of the operation section 22 and that moves in association with an operation of the erecting operation lever 20. The endoscope includes a wire 60 that is coupled to the erecting base 30 at a distal end side thereof, that is coupled to the movable member 96 at a proximal end side thereof, and that is pushed/pulled in accordance with a movement of the movable member 96 to move the erecting base 30； and an attachment member 98 that is provided at a proximal end of the wire 60 and that is engaged with the movable member 96 in an attachable/detachable manner. The movable member 96 is arranged at a surface of the operation section 22 opposite to a surface of the operation section 22 at which the angle knobs 64 are arranged.
