Аннотация:The report discusses the results of the interpretation of regional and detailed magnetic and gravitational fields within the Ladoga electrical conductivity anomaly. The constructed density and magnetic models allow for a new understanding of the geological and tectonic structure of the area. The connection of the region of increased resistance with areas of high density and magnetization at depths of 25-30 km. Interpretation of detailed gravity material along the profile of the Vyborg - Suoyarvi in the upper part of the section has established the presence of complex Cup-like structure, which agrees well with regional models.