A Small Pass                                           -      -      - 
(-------------------------------------------------)     - <---(M)---> -
                                                        -      S      -

You notice as you come to the edge of the valley that their is a very
small path that winds it's way down here.  The path seems to have been made
when drainage water from the upper plateau of the island forced it's way
down towards the lower lake.  The climb would be treacherous but you think
that there is a chance that you can make it.