huh... okay this is the second time playing this... and... whew this took a lot longer than expected... cool puzzle but, damn I'm glad I started appling the split half reliabity, I was scrolling back and forth. XD
Too many trees? Nah, go right. Too many rocks not enough tar. Go down.
Not enough trees. Gotta go back up ag- Oh! SHI- (thing startled me, though after 20-30min, isn't exactly surprising.) There it is!