In an embodiment of the present invention, an endoscope includes an insertion unit having a bending portion on a distal end side thereof, an endoscope main body provided on a proximal end side of the insertion unit, a left-and-right direction bending mechanism coupled with the bending portion, a left-and-right direction bending drive unit generating drive force to bend the bending portion in a left-and-right direction, a drive force transmission mechanism transmitting the drive force to the left-and-right direction bending mechanism and a cord portion extending from the endoscope main body and supplies electrical power from the outside to the left-and-right direction bending drive unit, wherein the left-and-right direction bending drive unit is provided on the endoscope main body and arranged along an extending direction of the cord unit.本発明の一実施形態は、先端側に湾曲部を有する挿入部と、挿入部の基端側に設けられた内視鏡本体と、湾曲部に連結された左右方向湾曲機構と、湾曲部を左右方向に湾曲させる駆動力を発生させる左右方向湾曲駆動部と、駆動力を左右方向湾曲機構に伝達する駆動力伝達機構と、内視鏡本体から延出し、左右方向湾曲駆動部に外部から電力を供給するコード部とを具備し、左右方向湾曲駆動部は、内視鏡本体上に設けられ、コード部の延出方向に沿って配置されている内視鏡である。
