Method for the acquisition and post-processing of geographical information of a path, wherein the method comprises an initial acquisition phase comprising the steps of: a) acquiring geographical data and information by means of a plurality of sensors of a terrestrial vehicle; b) sending trajectory information of the terrestrial vehicle to an aircraft, from a control station hosted on the terrestrial vehicle, every certain period of time, where the time period is a design parameter; c) when the aircraft receives the trajectory information of the terrestrial vehicle, the aircraft determining its trajectory according to the trajectory information of the terrestrial vehicle received; d) acquiring geographical data and information, including images, by means of a plurality of sensors of the aircraft; and, after the acquisition phase, the method is characterized by a post-processing phase comprising the steps of: e) inputting, in a post-processing module, the geographical data and information acquired in the previous steps, which comprises images acquired by the aircraft, geographical information previously known, coordinates of kinematic control points associated to the center of a roof target of the terrestrial vehicle, image coordinates and scale factor of the kinematic ground control points associated to said roof target of the terrestrial vehicle; f) identifying a same ground element in different images acquired by the image sensor of the aircraft and measuring its image coordinates; g) obtaining, in the post-processing module, the orientation of the sensors of both terrestrial vehicle and aircraft according to the inputs of step e) and the measurements of step f); h) calibrating, in the post-processing module, the sensors of both terrestrial vehicle and aircraft according to the inputs of step e) and the measurements of step f); i) associating every image acquired with the orientation and calibration obtained in steps g) and h) respectively. a) acquiring geographical data and information by means of a plurality of sensors of a terrestrial vehicle; b) sending trajectory information of the terrestrial vehicle to an aircraft, from a control station hosted on the terrestrial vehicle, every certain period of time, where the time period is a design parameter; c) when the aircraft receives the trajectory information of the terrestrial vehicle, the aircraft determining its trajectory according to the trajectory information of the terrestrial vehicle received; d) acquiring geographical data and information, including images, by means of a plurality of sensors of the aircraft; e) inputting, in a post-processing module, the geographical data and information acquired in the previous steps, which comprises images acquired by the aircraft, geographical information previously known, coordinates of kinematic control points associated to the center of a roof target of the terrestrial vehicle, image coordinates and scale factor of the kinematic ground control points associated to said roof target of the terrestrial vehicle; f) identifying a same ground element in different images acquired by the image sensor of the aircraft and measuring its image coordinates; g) obtaining, in the post-processing module, the orientation of the sensors of both terrestrial vehicle and aircraft according to the inputs of step e) and the measurements of step f); h) calibrating, in the post-processing module, the sensors of both terrestrial vehicle and aircraft according to the inputs of step e) and the measurements of step f); i) associating every image acquired with the orientation and calibration obtained in steps g) and h) respectively.