The area of Dunes of Texel National Park is 43 square kilometers.
The area of Saugatuck Dunes State Park is 4,532,479.193088001 square meters.
The area of Warren Dunes State Park is 7,899,463.7365248 square meters.
The area of Texel is 463.28 square kilometers.
The area of Indiana Dunes National Lakeshore is 60.974 square kilometers.
The area of Athabasca Sand Dunes Provincial Park is 1,925 square kilometers.
The area of Fort Ord Dunes State Park is 3,965,919.2939520003 square meters.
The age of the dunes themselves is still disputed, as it is difficult to measure when a rock became sand and when the sand began to accumulate. The area became as national monument in 1932. Legislation to make it a national park was signed into law on 2000 November 22.
The area of Antioch Dunes National Wildlife Refuge is 222,577.10323200002 square meters.
Oregon Dunes National Recreation Area was created on 1972-03-23.
The area of Sleeping Bear Dunes National Lakeshore is 288.084 square kilometers.
The area of Guadalupe-Nipomo Dunes National Wildlife Refuge is 10.332 square kilometers.
The area of Hallasan National Park is 153.11 square kilometers.