Step 1: Track facing directions with each turn.
Start moving \(\Rightarrow\) facing \(West\).
Left turn from West \(\Rightarrow\) facing \(South\); walk 15 km.
Left turn from South \(\Rightarrow\) facing \(East\); walk 30 km.
Right turn from East \(\Rightarrow\) facing \(South\).
\[ \boxed{\text{Facing South}} \]