An endoscope according to the present invention is equipped with: a tube section 22 that forms an outer skin of an inserted section, which is inserted into a body of a subject, and in which a folding section 23 that folds inward in a radial direction K is formed at a distal end thereof； and a light-guide-fiber bundle 30 that is inserted into the tube section 22 and in which a distal end 30s thereof is covered with the folding section 23, wherein, in the tube section 22, at least a covering region 23c of the folding section 23 that covers the distal end 30s of the light-guide-fiber bundle 30 is formed of a transparent member.
