A power transfer system comprising: a vehicle on a bottom surface of which a power reception coil is provided; and a power transmission coil configured to contactlessly transmit power to the power reception coil, the vehicle including: a plurality of members (71, 73, 93A, 93B) mounted along the bottom surface of the vehicle around the power reception coil; a plurality of temperature detection devices (58A-58L), each of which detects a detection temperature that increases as a temperature of each of the plurality of members (71, 73, 93A, 93B) increases; and a control device that causes the power to be transmitted from the power transmission coil to decrease when the detection temperature detected by any of the plurality of temperature detection devices (58A-58L) is equal to or higher than a prescribed threshold, at least one of the plurality of members (71, 73, 93A, 93B) being a heated member that will be heated by magnetic flux emitted from the power transmission coil, the heated member being located in a displacement direction relative to the power reception coil when the power reception coil is viewed from the power transmission coil, the displacement direction being a direction in which a central position of the power reception coil is displaced from a central position of the power transmission coil when the power reception coil is viewed from the power transmission coil, the plurality of temperature detection devices (58A-58L) being arranged in a plurality of the displacement directions relative to the power reception coil, and the prescribed threshold being set lower for a temperature detection device of the plurality of temperature detection devices (58A-58L) arranged in the displacement direction of the heated member of the plurality of members (71, 73, 93A, 93B) having lower heat resistance. a vehicle on a bottom surface of which a power reception coil is provided; and a power transmission coil configured to contactlessly transmit power to the power reception coil, the vehicle including: a plurality of members (71, 73, 93A, 93B) mounted along the bottom surface of the vehicle around the power reception coil; a plurality of temperature detection devices (58A-58L), each of which detects a detection temperature that increases as a temperature of each of the plurality of members (71, 73, 93A, 93B) increases; and a control device that causes the power to be transmitted from the power transmission coil to decrease when the detection temperature detected by any of the plurality of temperature detection devices (58A-58L) is equal to or higher than a prescribed threshold, at least one of the plurality of members (71, 73, 93A, 93B) being a heated member that will be heated by magnetic flux emitted from the power transmission coil, the heated member being located in a displacement direction relative to the power reception coil when the power reception coil is viewed from the power transmission coil, the displacement direction being a direction in which a central position of the power reception coil is displaced from a central position of the power transmission coil when the power reception coil is viewed from the power transmission coil, the plurality of temperature detection devices (58A-58L) being arranged in a plurality of the displacement directions relative to the power reception coil, and the prescribed threshold being set lower for a temperature detection device of the plurality of temperature detection devices (58A-58L) arranged in the displacement direction of the heated member of the plurality of members (71, 73, 93A, 93B) having lower heat resistance. a plurality of members (71, 73, 93A, 93B) mounted along the bottom surface of the vehicle around the power reception coil; a plurality of temperature detection devices (58A-58L), each of which detects a detection temperature that increases as a temperature of each of the plurality of members (71, 73, 93A, 93B) increases; and a control device that causes the power to be transmitted from the power transmission coil to decrease when the detection temperature detected by any of the plurality of temperature detection devices (58A-58L) is equal to or higher than a prescribed threshold, at least one of the plurality of members (71, 73, 93A, 93B) being a heated member that will be heated by magnetic flux emitted from the power transmission coil, the heated member being located in a displacement direction relative to the power reception coil when the power reception coil is viewed from the power transmission coil, the displacement direction being a direction in which a central position of the power reception coil is displaced from a central position of the power transmission coil when the power reception coil is viewed from the power transmission coil, the plurality of temperature detection devices (58A-58L) being arranged in a plurality of the displacement directions relative to the power reception coil, and the prescribed threshold being set lower for a temperature detection device of the plurality of temperature detection devices (58A-58L) arranged in the displacement direction of the heated member of the plurality of members (71, 73, 93A, 93B) having lower heat resistance.