The area of Yankee Springs Recreation Area is 21.044 square kilometers.
Yankee Springs Recreation Area was created in 1943.
The area of Weldon Springs State Recreation Area is 2,225,771.03232 square meters.
Weldon Springs State Recreation Area was created in 1936.
Browntown-Cadiz Springs State Recreation Area was created in 1980.
The area of Holly Recreation Area is 31.634 square kilometers.
The area of Ortonville Recreation Area is 21.853 square kilometers.
The area of Highland Recreation Area is 23.876 square kilometers.
The area of Brighton Recreation Area is 20.02 square kilometers.
The area of Prophetstown State Recreation Area is 53 acres.
The area of Columbia Cosmopolitan Recreation Area is 2,156,974.4731392 square meters.
The area of Rifle River Recreation Area is 18.004 square kilometers.
The area of Chalco Hills Recreation Area is 4,799,571.7169664 square meters.