The area of Shark River Park is 3,828,326.1755904 square meters.
The area of Shark River Slough Archeological District is 4,324.904 square kilometers.
The area of The Park at River Walk is 129,499.4055168 square meters.
The area of Clyde River National Park is 10.91 square kilometers.
The area of Bellinger River National Park is 28.3 square kilometers.
The area of Guadalupe River State Park is 7,845,640.5461068805 square meters.
The area of Marten River Provincial Park is 4,000,000.0 square meters.
The area of Ochlockonee River State Park is 1,586,367.7175808 square meters.
The area of Mooloolah River National Park is 6,690,000.0 square meters.
The area of Sturgeon River Provincial Park is 33.5 square kilometers.
The area of White River Provincial Park is 680,000.0 square meters.
The area of Abercrombie River National Park is 190 square kilometers.
The area of Bonnechere River Provincial Park is 11.98 square kilometers.