Archaeological research has revealed no traces of activity in this area before Snefru, which may mean that he chose this area, because it had not been used before.
The first notable building activity in the area after Snefru is dated to the reign of Amenemhet II of the 12th Dynasty,
After the Middle Kingdom, Dahshur seems to have lost its appeal as a royal necropolis. Amenemhet's III pyramid was the last royal funerary monument that was built there