There is provided an endoscope apparatus in which a forceps elevator can be operated according to the operator's intention even when a treatment tool has large bending stiffness. The forceps elevator is erectably provided in a distal end part of the insertion part of the endoscope apparatus and guides the treatment tool led out from the distal end part. The forceps elevator has an erecting motion range from a minimum angular position to a maximum angular position. If a state in which the treatment tool is not led out from the distal end part is assumed, the erecting operation lever for operating the movement of the forceps elevator has: a first operation range where the erecting operation lever is operated within the erecting motion range of the forceps elevator; and a second operation range where the erecting operation lever is operated beyond the first operation range.