A Trail Into the Pit                                   -      N      - 
(-------------------------------------------------)     W <---(M)---> -
                                                        -      -      -

This small ledge runs along the edge of a steep cliff face, leading down
to the bottom of a deep pit.  The trail is made from the exact same material
as the surrounding rock, making it very difficult to see from above.  You
can safely follow it down to the north or back up to the west.