PROBLEM TO BE SOLVED: To provide an endoscope having excellent cleaning efficiency and prevented from being damaged when erecting a treatment instrument.SOLUTION: The endoscope includes: an insertion section to be inserted into a subject an operation part provided at a distal side of the insertion section and receiving an operation input from the outside a distal end component 101 provided at the distal end of the insertion section and including an opening part 101a from which a treatment instrument 6 inserted into the insertion section projects and an erecting mechanism that includes a cover part 105 as a soft member with flexibility, and a contact member consisting of a hard member, including a contact portion 103a that comes into contact with the treatment instrument 6 projecting from the opening part 101a, where at least the contact portion 103a is exposed from the cover part 105, the cover part 105 is watertightly joined with the distal end component 101, and an end of a part of the contact member exposed from the cover part 105, and a part including the contact portion 103a is erected by an operation received by the operation part.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】洗浄効率が良好であり、かつ処置具の起上の際に破損することが防止された内視鏡を提供する。【解決手段】被検体内に挿入される挿入部と、挿入部の基端側に設けられ、外部からの操作入力を受け付ける操作部と、挿入部の先端に設けられ、挿入部に挿通された処置具6が突出する開口部101aが形成された先端構成部101と、可撓性を有する軟性部材であるカバー部105と、硬性部材からなり、開口部101aから突出した処置具6と当接する当接部103aを含んで構成され、少なくとも当接部103aがカバー部105から露出する当接部材と、を有し、カバー部105は先端構成部101に水密に接合されるとともに、カバー部105は当接部材のカバー部105から露出する部分の端部に水密に接合され、操作部が受け付けた操作により、当接部103aを含む部分が起上する起上機構と、を備える。【選択図】図2