An endoscope includes an insertion portion, the endoscope being configured to allow a treatment tool to protrude from the insertion portion. The endoscope further includes: a treatment tool elevator base configured to be elevated by rotation around a rotation shaft with respect to a direction in which the insertion portion extends an operating portion configured to input operation of changing an angle of elevating the treatment tool with respect to the treatment tool elevator base a wire configured to be connected to the operating portion a first member including a first engagement portion and a second member including a second engagement portion and a wire connection portion to be connected to the wire, the second member being configured to: be supported so as to be rotatable with respect to the rotation shaft and transmit the operation to the treatment tool elevator base.