A tricky puzzle. Make sure you're not barking up the wrong tree.

It is on a tree.

Or, rather, it's on more than one tree.

Walk from the obelisk into the jungle, and you'll come across trees covered in light green moss patterns.

To find this particular puzzle, walk left about 40 feet from the first couple tree moss puzzles.

Find part of a circle on the center tree. Line it up with the rest of the circle on another tree. Trace diagonally, left and upward.

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Look for green bark.

Look for circles in the bark.

Try to get a line that goes diagonally up the trees.