\begin{tikzpicture}

  \fill[color=gray!20]  (3,25)  -- (12,25) -- (12,16.5) --  
  (7.5,9) -- (3,16.5) -- cycle;

    \input{terrain}

  \node (1) at (11, 24) {\LARGE 1};
  \node (2) at (4, 24) {\LARGE 2};
  \node (3) at (11, 17.5) {\LARGE 3};
  \node (4) at (4, 17.5) {\LARGE 4};
  \node (5) at (7.5, 11) {\LARGE 5};


    \node[draw,circle] (B) at (6.5,29) {\LARGE X};

  
  \end{tikzpicture}