Map showing all locations mentioned on Wikipedia article:
The
Iowa Great Lakes are a group of natural glacial
lakes in Dickinson
County in northwestern Iowa in the
United
States.The three principal lakes of the group are
Spirit
Lake, West Okoboji Lake, and East Okoboji Lake. They are the largest natural lakes in the
state of Iowa. The largest, Spirit Lake, is 5,684 acres (23 km²).
The area is often referred to simply as Lake
Okoboji.
The region is a popular destination for fishermen, both in summer
and winter, as well as being one of Iowa's most popular vacation
destinations.