Lakes in Harrison County, Iowa      Balls Lake De Soto Lake Horseshoe Lake Lone Tree Lake Nobles Lake Round Lake Smith Lake OTHER COUNTIES NEARBY Audubon County Carroll County Cass County Cherokee County Crawford County Fremont County Ida County Mills County Monona County Montgomery County Plymouth County Pocahontas County Pottawattamie County Sac County Shelby County Woodbury County Burt County Cass County Dakota County Douglas County Sarpy County Thurston County Washington County Union County Iowa Lakes