An endoscope system includes, a holding unit; a guide pipe extending from the holding unit, an endoscope including a distal end portion capable of acquiring an image, the endoscope being inserted through an inside of the guide pipe and bendable in at least one plane, a bending operation unit rotatably provided on the holding unit and capable of adjusting a bending angle of the endoscope, and a pointer provided on the bending operation unit and indicating an extending direction of the distal end portion in the plane.