An apparatus for navigation control includes: a GPS configured to locate a current position of a vehicle and a speed bump ahead of the vehicle; a sensor configured to acquire detailed information of the speed bump and a current speed of the vehicle; a controller configured to locate the current position of the vehicle to divide a distance from the current position to the speed bump into one or more regions, to check the current speed of the vehicle, to calculate a recommended speed for passing over the speed bump based on the detailed information of the speed bump, and to generate a warning message if the current speed is above the recommended speed; and an outputter configured to output the warning message under control of the controller.