An endoscope includes stays 61 a, 61b extending inside an operation section 3 along a direction of a longitudinal axis O, and a suction pipeline 37 fixed to the operation section 3 at a distal end side and a proximal end side so as to extend inside the operation section 3, along the stays 61 a, 61 b and in the direction of the longitudinal axis O, where an inside of the operation section 3 is partitioned into a first space portion 3 a and a second space portion 3b by the stays 61a, 61b and the suction pipeline 37, each angle wire 23 is disposed inside the first space portion 3a, and long internal components, such as a signal cable 11a and a light guide 12, are disposed inside the second space portion 3b.
