It seems you are in a very large gazebo of sorts. There's a door through which you can get back inside, and there are a few paths leading out into gardens. An interesting creature is wandering about, and stops to watch you.
You notice a piece of framed parchment with "Autumn Leaves" written on it. As you read the words out loud, the hippogriff cocks her head to the side. She then swishes her tail and looks over at the paths. You follow her gaze.
Little stakes are placed in the ground at the beginning of each path.