The topography is generally flat with many sloughs and ridges.
Surface water is abundant.
The Area is comprised of bottomland vegetation which changes in response to minor changes in elevation. Access to the majority of the Area is by boat only. Airboats are prohibited on the Area. Public boat ramps and information stations are located at Bevilport, the Walnut Ridge and Cherokee Units of Martin Dies Jr. SP and the Magnolia Ridge Army Corps of Engineers Park. Primitive camping and camping facilities are available on the State Park and on the Corps of Engineers Park.