Avon Valley National Park 

The sides of the Avon Valley slope steeply from the undulating plateau, which is about 200m above the river level. The area is undulating, with soil types including lateritic sands, loams and gravels. The river valley forms the division between the drier northern forest dominated by wandoo and the southern forest dominated by jarrah. The area is partly within the Red Swamp Brook and Brockman... More details