Upon entering the cave, you'll see that there are paths leading north and northeast, but both of these lead to dead-ends; instead, you're supposed to jump onto the right pillar of the circular series of six wooden pillars in the water, use Reveal to show that there is a hidden seventh pillar in the center of the formation, and hop left. Follow the subsequent path up to the next watery room, which has two tall wooden crates; first, use Move on the crate to your immediate right and shift it left one space so it falls into the water, and now you can access the doorway to the immediate southeast, where you find a chest containing a Nut. Return and use Move to move the left crate two spaces right so that it also falls into the water, hop up onto the vertical rolling log in the water, and ride i