To provide a position information correcting device and method for enabling anyone to accurately know the position anywhere in the mountains or the like, and to provide a recording medium for recording a position information correction program.

A characteristic constituent means used for position correction on the basis of position correction data and position information measured by a GPS 7 has the GPS 7 serving as a three-dimensional position measuring means; a CCD camera 5, a recognition part 14, and the like serving as recognition means for recognizing each of a plurality of specified targets 8; a position data base 20 stored with the respective position information of a plurality of targets 8; a retrieving part 15 for retrieving the position information of the target 8 recognized by the recognition means, from the position data base 20; and a correction data computing part 18 for computing position correction data on the basis of the position information of the targets 8 retrieved by the retrieving part 15, and the position information measured by the GPS 7.