A non-contact power receiving apparatus configured to be mounted on a vehicle, comprising: a power reception unit adapted to receive electric power from a power transmitting apparatus outside of the vehicle in a non-contact manner; a control device adapted to control an electric power reception from said power transmitting apparatus, a monitoring device (119R, 119L, 121R, 121L) adapted to monitor the surroundings of the vehicle and to output a monitoring result to the control device, characterized in that said control device is adapted to further control said electric power reception based on a door state detection result obtained by detecting whether or not a door of said vehicle is open, said control device, if said door state detection result indicates that said door is open, is adapted to output a request to the power transmitting apparatus to cause said power transmitting apparatus to reduce the power of said electric power transmission, and controls said electric power reception without using said monitoring result, otherwise said control device is adapted to control said electric power reception based on said monitoring result, and said control device is adapted: to cause a request to be made to said power transmitting apparatus to transmit prescribed electric power for making position adjustment between said power reception unit and a power transmission unit, and after said position adjustment is completed, to cause a request to be made to said power transmitting apparatus to transmit electric power larger than said prescribed electric power, and to cause start of detection of an object intruding into the surroundings of the vehicle based on said monitoring result, and to cause issuance of a warning if the intruding object is detected. a power reception unit adapted to receive electric power from a power transmitting apparatus outside of the vehicle in a non-contact manner; a control device adapted to control an electric power reception from said power transmitting apparatus, a monitoring device (119R, 119L, 121R, 121L) adapted to monitor the surroundings of the vehicle and to output a monitoring result to the control device, characterized in that said control device is adapted to further control said electric power reception based on a door state detection result obtained by detecting whether or not a door of said vehicle is open, said control device, if said door state detection result indicates that said door is open, is adapted to output a request to the power transmitting apparatus to cause said power transmitting apparatus to reduce the power of said electric power transmission, and controls said electric power reception without using said monitoring result, otherwise said control device is adapted to control said electric power reception based on said monitoring result, and said control device is adapted: to cause a request to be made to said power transmitting apparatus to transmit prescribed electric power for making position adjustment between said power reception unit and a power transmission unit, and after said position adjustment is completed, to cause a request to be made to said power transmitting apparatus to transmit electric power larger than said prescribed electric power, and to cause start of detection of an object intruding into the surroundings of the vehicle based on said monitoring result, and to cause issuance of a warning if the intruding object is detected. to cause a request to be made to said power transmitting apparatus to transmit prescribed electric power for making position adjustment between said power reception unit and a power transmission unit, and after said position adjustment is completed, to cause a request to be made to said power transmitting apparatus to transmit electric power larger than said prescribed electric power, and to cause start of detection of an object intruding into the surroundings of the vehicle based on said monitoring result, and to cause issuance of a warning if the intruding object is detected.