An endoscope of the present invention is provided with: an insertion portion that possesses flexibility and that has, in a distal-end portion in order from a distal-end side along a longitudinal axis, a first bending portion that is configured to bend in a first direction that intersects the longitudinal axis and a second bending portion that is configured to bend in a second direction that is different from the first direction; and a bending drive portion that is connected to a proximal end of the insertion portion, that causes the bending portions to work together, and that causes the first bending portion to bend in the first direction and also causes the second bending portion to bend in the second direction.