Detection means reaches the target location and method, and a mobile device control system

The present invention relates to reach the target location detecting means reaches the target location detecting method and a mobile device control system, the aim of preventing accidents poor vision nearby road gradient change in location occurs. Objects of the present invention reaches a location detecting apparatus in accordance with the image pickup in the forward movement of the vehicle on a road image captured by two portions (110A, 110B), detecting whether the vehicle reaches the target location, wherein the inclined state includes cognitive portion (143), for the captured image, and outputs a signal based on the vehicle reaches the target site, the target site is located near the part of the road ahead of the vehicle with respect to the inclined state of the vehicle is traveling downhill road portion is inclined into changes in place before the downhill.