An endoscope apparatus includes: an image processing portion that performs image processing on a signal of an image picked up by an image pickup device provided at a distal end portion of an endoscope insertion portion to generate an endoscope image a gravity direction detecting portion that detects information about a gravity direction of the distal end portion a gravity signal processing portion that performs predetermined signal processing on a signal of the information about the gravity direction detected by the gravity direction detecting portion to detect gravity information. The recording medium reading/writing portion of the endoscope apparatus stores data of the endoscope image generated by the image processing portion and data of the gravity information detected by the gravity signal processing portion in two AVI files and records the files on a recording medium.