An insertion part (3) having a bending part, an operation part (2) connected to the insertion part (3), a cable (21) disposed in the insertion part (3) and the operation part (2), An elastic member (31) that is locked at one end to the cable (21) and at the other end to the operation portion (2) and pulls the cable (21) toward the operation portion (2). Endoscope configured so that the elastic member (31) is in a natural state when the bending portion is bent in the arrangement direction of the cable (21) in a cross section perpendicular to FIG.湾曲部を有する挿入部（３）と、挿入部（３）に連設された操作部（２）と、挿入部（３）および操作部（２）内に配設されたケーブル（２１）と、ケーブル（２１）に一端側を、操作部（２）に他端側を係止され、ケーブル（２１）を操作部（２）側へ引張する弾性部材（３１）と、を備え、挿入軸に垂直な断面におけるケーブル（２１）の配置方向へ湾曲部を湾曲させたときに弾性部材（３１）が自然状態となるように構成された内視鏡。
