This is a cave near the waterfall and below the castle leads to an apparent dead end with a pool and this IPoint. There is a secret exit up near the ceiling of the chamber. This IPoint can only be seen in Island Flyover.
Island Flyover Information:
- Daytime: “Watch out!”
- Evening: “Stop reading this and pay attention to not crashing!”
- Night: “Are you sure you can make it?!”