Due to the enigmatic statements of the family-saga, The National Board of Antiquities in Finland retracted from involving themselves with the hallway inside the Sibbo Mountain as an archaeological site. The participation of professional archaeologists in the Gumbo excavations has been restricted into a couple of official visits, during which nothing archaeologically significant was observed. In a recent archaeological survey, the Gumbo cave was defined as a natural formation of geological interest. According to the surveying archaeologist, the only man-made feature there is a recent rock carving