The land forms at the houndrian rainforest is really satisfying. The main land forms would be the mountains and hills. But that's not all. In the deepest part at th forest there are rivers and streams. But when you visit you'll be seeing cave that go on. The most of the time i'll look at would be the valley that has the canapy covering it. Although you might have to watch out for the rocks tumbleing and the mud slides. Those are dangerous ad can be devestating.