Is there anything special about the strange shaped rocks?

In the cave, what's the deal with the strange shaped rocks? At first I thought it was coded directions:

Up, up left

but that didn't seem to work. Do they do/mean anything?


Solution 1:

It's a treasure map

Hint 1:

It depicts 2 trees and a bit of landmass

Hint 2:

You found something nearby

Answer:

Click where the red circle is: here http://i.imgur.com/hditReK.png

Reward:

3 Chocolate bars