An endoscope includes an insertion portion which includes a distal end hard portion having a hole portion passed through a distal end surface, and a nozzle including an opening. The nozzle includes a cover member including an annular portion, a cylindrical coupling portion coupled with the distal end hard portion and a cylindrical core member which has one end having the annular portion arranged thereon and the other end having the coupling portion arranged thereon and which includes a flow path communicating with the opening.