A three-dimensional survey apparatus configured to acquire three-dimensional data of a measurement object , the three-dimensional survey apparatus comprising: a collimating ranging unit configured to irradiate the measurement object with first ranging light by collimation of a telescope portion and which, based on first reflected ranging light that is reflection of the first ranging light by the measurement object , is configured to obtain a survey result by measuring a distance to the measurement object and by detecting a direction of the collimation; a scanner unit which is integrally provided with the collimating ranging unit and configured to rotatingly emit second ranging light and, based on second reflected ranging light that is reflection of the second ranging light by the measurement object , to measure a distance to the measurement object and to detect an emission direction of the second ranging light to acquire (S12) point cloud data related to the measurement object ; and a control calculation portion which is provided in at least one of the collimating ranging unit and the scanner unit , characterized in that the control calculation portion is configured to execute control to acquire (S13), based on the survey result of the collimating ranging unit , the three-dimensional data related to a characteristic portion of the measurement object which is present between a plurality of measurement points of the three-dimensional data that are included in the point cloud data and of which the three-dimensional data has not been acquired by the scanner unit , and to add the three-dimensional data related to the characteristic portion having been acquired based on the survey result of the collimating ranging unit to the point cloud data . a collimating ranging unit configured to irradiate the measurement object with first ranging light by collimation of a telescope portion and which, based on first reflected ranging light that is reflection of the first ranging light by the measurement object , is configured to obtain a survey result by measuring a distance to the measurement object and by detecting a direction of the collimation; a scanner unit which is integrally provided with the collimating ranging unit and configured to rotatingly emit second ranging light and, based on second reflected ranging light that is reflection of the second ranging light by the measurement object , to measure a distance to the measurement object and to detect an emission direction of the second ranging light to acquire (S12) point cloud data related to the measurement object ; and a control calculation portion which is provided in at least one of the collimating ranging unit and the scanner unit , characterized in that the control calculation portion is configured to execute control to acquire (S13), based on the survey result of the collimating ranging unit , the three-dimensional data related to a characteristic portion of the measurement object which is present between a plurality of measurement points of the three-dimensional data that are included in the point cloud data and of which the three-dimensional data has not been acquired by the scanner unit , and to add the three-dimensional data related to the characteristic portion having been acquired based on the survey result of the collimating ranging unit to the point cloud data . <EOS>