 The other two SANAP bases in Antarctica are located on the Gough and Marion islands.Located in the Queen Maud Land region of Eastern or Greater Antarctica, SANAE IV is on top of a distinctive flat-topped nunatak, Vesleskarvet, on the fringe of the Ahlmann Range of mountains.The base is approximately from the edge of the continent (also known as the grounding line or hinge zone) and from the edge of the ice shelf.