An endoscope includes an insertion section inserted into a subject, an operating unit continuously connected to a proximal end of the insertion section, an observation unit disposed at a distal end of the insertion section, and configured to observe the subject, a treatment instrument insertion passage configured to allow insertion of a treatment instrument providing medical treatment to the subject, and project the treatment instrument from a distal end of the insertion section, a distal bending portion disposed at a distal end of the treatment instrument insertion passage, and configured to bend according to raising operation of the operating unit and raise the treatment instrument, and a coating portion provided to cover the distal bending portion. Thus, an endoscope is provided which has improved cleaning efficiency.
