通过Google找到了：
This one is kind of hard to see. While moving north through the trees, you'll come to a large battle. Just past this area you'll see several enemy troops walking away from you. The gold is under a tree to the left of the narrow trail where the mines are. It's to the west of the first mine if you're having trouble finding it.
就是有几个小兵跑开的那块地方。