To provide an endoscope capable of performing direct-viewing observation and a side-viewing observation, which has improved washability of a tip part.SOLUTION: An endoscope 12 includes: an insertion part 12a to be inserted into an observation object； a first projection part 31 including a side-viewing observation window 42A, which is an observation window of a side-viewing observation part 42 having a visual field in a side direction of the insertion part 12a, side-viewing illumination windows (a first side-viewing illumination window 43A and a second side-viewing illumination window 43B) for emitting illumination light toward the visual field of the side-viewing observation part 42, and a direct-viewing observation window 41A, which is an observation window of a direct-viewing observation part 41 having a visual field in a tip direction of the insertion part 12a, and projecting in the tip direction of the insertion part 12a； and a second projection part 32 projecting in the tip direction of the insertion part 12a； a nozzle 51 and a nozzle 52 (first nozzles) provided at the second projection part 32 for jetting washing fluid, which are located at a position where the washing fluid hits both the side-viewing observation window 42A and the side-viewing illumination window.SELECTED DRAWING: Figure 2【課題】直視観察及び側視観察が可能であり、かつ、先端部の洗浄性を向上した内視鏡を提供する。【解決手段】内視鏡１２は、観察対象に挿入する挿入部１２ａと、挿入部１２ａの側面方向に視野を有する側視観察部４２の観察窓である側視観察窓４２Ａと、側視観察部４２の視野に向けて照明光を出射する側視照明窓（第１側視照明窓４３Ａ及び第２側視照明窓４３Ｂ）と、挿入部１２ａの先端方向に視野を有する直視観察部４１の観察窓である直視観察窓４１Ａと、を有し、かつ、挿入部１２ａの先端方向に突出した第１突出部３１と、挿入部１２ａの先端方向に突出した第２突出部３２と、第２突出部３２に設けられ、洗浄液を噴出し、かつ、側視観察窓４２Ａと側視照明窓の両方に洗浄液が当たる位置にあるノズル５１及びノズル５２（第１ノズル）と、を備える。【選択図】図２
